General Terms and Conditions (GTC)

Chapter 1 – Scope of Application and Contracting Parties

§ 1 Scope of Application

(1) These General Terms and Conditions (hereinafter referred to as “GTC”) apply to all contracts between

EVOCON Studio UG (limited liability)
Alte Rathausgasse 2a
74924 Neckarbischofsheim
Germany

– hereinafter referred to as “EVOCON Studio” or “Contractor” –

and its customers regarding the provision of services as well as the manufacture and delivery of products.

(2) The GTC apply in particular to the following services:

• CAD design
• Product development
• Technical consulting
• Reverse engineering
• 3D printing
• Prototype manufacturing
• Sample production
• Small-batch production
• Development of technical components
• Additive manufacturing
• Digital manufacturing services
• Online quoting and ordering systems
• CAD file upload and processing

(3) These General Terms and Conditions apply to both consumers within the meaning of Section 13 of the German Civil Code (BGB) and entrepreneurs within the meaning of Section 14 BGB, unless specific provisions stipulate otherwise.

(4) Deviating, conflicting, or supplementary general terms and conditions of the customer shall only become part of the contract if EVOCON Studio has expressly agreed to their validity in writing. This requirement for consent applies even if EVOCON Studio performs services without reservation while being aware of such terms and conditions.

 

§ 2 Contracting Party

The customer’s contracting party is:

EVOCON Studio UG (limited liability)

Alte Rathausgasse 2a
74924 Neckarbischofsheim
Germany

Managing Director: Jochen Pawlisch

Email: hello@evocon.studio

Phone: +49 160 98 75 07 91

Commercial Register: Mannheim District Court

HRB 757154

VAT ID No.: DE460922773

 

§ 3 Subject Matter of the Contract

(1) EVOCON Studio offers services in the fields of engineering, design, and additive manufacturing, as well as the sale of custom-manufactured products.

(2) The subject matter of the contract may include, in particular:

• Development of technical solutions
• Creation of CAD models
• Optimization of existing designs
• Prototype production
• Small-batch production
• Manufacturing of custom components to customer specifications
• Technical consulting
• Feasibility studies
• Preparation of technical documentation

(3) The description of the respective service is set out in the individual quote, the order confirmation, or the relevant service description on the website.

 

§ 4 Order of precedence of contract documents

In the event of contradictions, the following order of precedence applies:

1. Individual written agreements
2. Order confirmation
3. Quotation
4. Service description
5. These General Terms and Conditions

 

§ 5 Language of the Contract

The language of the contract is exclusively German.

If information is additionally provided in another language, this is solely for the purpose of better understanding. In case of doubt, the German version shall prevail.

 

Chapter 2 – Conclusion of Contract

§ 6 General Provisions

(1) The presentation of products, services, prices, or configuration options on our website does not constitute a legally binding offer within the meaning of §§ 145 et seq. of the German Civil Code (BGB), but rather a non-binding invitation to the customer to submit an offer to conclude a contract.

(2) All offers from EVOCON Studio are subject to change and non-binding, unless expressly designated as binding.

 

Section 7 Use of the Online Configurator

(1) Customers can configure individual 3D printing orders using the online configurator integrated into the website.

In particular, this allows them to

• CAD files uploaded,
• materials selected,
• print parameters set,
• surface options chosen,
• quantities defined,
• and price information calculated.

(2) Prices are calculated automatically based on the selected parameters and initially represent a non-binding price indication.

(3) EVOCON Studio reserves the right to review automatically calculated prices and adjust them in individual cases, particularly if

• The uploaded file has technical peculiarities,
• additional post-processing will be required,
• manufacturing risks exist,
• material deviations occur,

or if cost-effective production at the calculated terms is not possible.

 

Section 8 Placing an Order

(1) By submitting an order, the customer makes a binding declaration of intent to place the order under the stated conditions.

(2) The customer is obligated to provide all information completely and truthfully.

(3) The customer is responsible for ensuring that all uploaded files correspond to the actual production requirements.

 

Section 9 Acceptance of the Order

(1) A contract is only concluded when EVOCON Studio expressly confirms the order or begins processing the order.

(2) An automated order confirmation does not yet constitute acceptance of the contract offer.

(3) EVOCON Studio is entitled to reject orders without stating reasons, in particular if

• technical reasons prevent it,
• safety-related risks exist,
• legal regulations would be violated,
• third-party rights could be affected,
• the uploaded files cannot be processed,
• or there is a suspicion of abusive behavior.

 

§ 10 Changes after placement of order

(1) Requests for changes by the customer after the conclusion of the contract require the consent of EVOCON Studio.

(2) Changes may, in particular, affect

• Price,
• delivery time,
• material,
• manufacturing process,
• quality,
• and the scope of services

have.

(3) Manufacturing processes that have already commenced may preclude changes or incur additional costs.

 

§ 11 Withdrawal prior to commencement of production

To the extent permitted by law and provided that no mandatory consumer protection regulations conflict, an order may be cancelled by mutual agreement prior to the commencement of production.

Costs already incurred—particularly for design, data verification, production planning, or material procurement—may be invoiced to the customer.

 

§ 12 Custom-made products

The components manufactured by EVOCON Studio are generally produced according to the customer's individual specifications.

These include, in particular:

• individually uploaded CAD files,
• custom designs,
• custom-made parts,
• prototypes,
• special materials,
• small-batch production to customer specifications.

The special statutory provisions regarding custom-made goods apply to these orders. Further details, particularly concerning the consumer's right of withdrawal, can be found in the instructions on the right of withdrawal.

 

Chapter 3 – Prices, Terms of Payment, and Invoicing

§ 13 Prices

(1) The prices agreed upon at the time the contract is concluded shall apply.

(2) Unless expressly stated otherwise, all prices are quoted in euros (€).

(3) For consumers, final prices are stated inclusive of statutory VAT.

(4) For business customers, prices may—to the extent permitted by law—be stated as net prices plus the applicable statutory VAT.

(5) Price indications in the online configurator are based on the parameters entered by the customer and are subject to change if discrepancies arise following the review of the transmitted CAD files or technical requirements.

 

Section 14 Individual Price Adjustments

EVOCON Studio is entitled to adjust the quoted price if it is subsequently determined that

• the uploaded data are erroneous or incomplete,
• additional design work becomes necessary,
• rework is required,
• special quality requirements apply,
• extraordinary material costs are incurred,
• or the calculated production time is significantly exceeded.

The customer will be informed of significant price changes before production begins.

 

§ 15 Payment Methods

Depending on availability, the following payment methods are available in particular:

• Stripe
• PayPal

EVOCON Studio reserves the right to exclude specific payment methods for certain orders or customers.

 

Section 16 Due Date

(1) Payment is due upon conclusion of the contract or according to the agreed payment terms.

(2) EVOCON Studio may require advance payment or full payment before production begins, particularly for custom-made products.

(3) Unless otherwise agreed, processing or production of the order will only begin after receipt of payment.

 

Section 17 Default of Payment

(1) If the customer defaults on a payment, the statutory provisions shall apply.

(2) EVOCON Studio is entitled to

• suspend the processing of ongoing orders,
• withhold deliveries,
• refuse further services until full payment is made,
• and claim default interest as well as any other legally permissible costs associated with the delay.

 

§ 18 Invoicing

Invoices are generally issued in electronic form to the e-mail address provided by the customer.

Upon request, an invoice may be issued in paper form, provided there are no legal or technical reasons preventing this.

 

§ 19 Retention of Title until Full Payment

Delivered goods remain the property of EVOCON Studio UG (limited liability) until all claims arising from the respective contractual relationship have been paid in full.

In the case of business customers, the retention of title also applies to ongoing business relationships until all outstanding claims have been settled in full, to the extent permitted by law.

 

Chapter 4 – Delivery, Shipping, Transfer of Risk, and Delivery Times

§ 20 Delivery Area

(1) As a general rule, EVOCON Studio delivers within Germany.

(2) Deliveries to other countries are possible subject to individual agreement.

(3) The customer will be informed during the ordering process or upon request whether delivery to the desired destination country is possible.

§ 21 Shipping

(1) As a general rule, shipping is carried out by the shipping service provider selected by EVOCON Studio.

(2) Currently, shipping is generally handled by DHL.

(3) EVOCON Studio is entitled to select an equivalent shipping service provider if this is necessary for organizational or economic reasons.

 

Section 22 Delivery Times

(1) Delivery times are specified individually or communicated as part of the order confirmation.

(2) Stated delivery times generally only begin after

• upon receipt of full payment,
• upon receipt of all data required for production,
• upon resolution of any necessary queries,
• and upon clarification of all technical details.

(3) Delays due to force majeure or unforeseeable events shall extend the delivery period by a reasonable amount of time.

These include, in particular:

• material shortages,
• machine breakdowns,
• strikes,
• natural events,
• official measures,
• disruptions to energy supplies,
• pandemics,
• as well as other unforeseeable events beyond our control.

 

Section 23 Partial Deliveries

EVOCON Studio is entitled to make partial deliveries, provided this is reasonable for the customer and does not impair the purpose of the contract.

 

Section 24 Transfer of Risk

With Business Customers

In the case of business customers, the risk of accidental loss or accidental damage to the goods passes to the customer upon handover to the shipping service provider.

With Consumers

In the case of consumers, the risk generally passes only upon handover of the goods to the consumer or a person authorized by the consumer to receive them.

 

Section 25 Default of Acceptance

If the customer does not accept the ordered goods despite proper provision or delivery, EVOCON Studio is entitled to

• to claim the resulting additional costs,
• to calculate storage costs,

Or, after setting a reasonable deadline, to withdraw from the contract, provided the legal requirements are met.

Section 26 Transport Damage

The customer is requested to report any obvious transport damage to the delivery company as soon as possible and to inform EVOCON Studio promptly.

The customer's statutory warranty rights remain unaffected.

Section 27 Delivery Delays

Should deliveries be delayed due to technical, organizational, or other unforeseen circumstances, EVOCON Studio will inform the customer immediately and, if possible, provide a new estimated delivery date.

Claims for damages due to delivery delays exist only within the framework of the statutory provisions and the liability provisions stipulated in these Terms and Conditions.

Chapter 5 – Manufacturing, Technical Execution, and Customer's Obligations to Cooperate

Section 28 Custom Manufacturing

(1) The products manufactured by EVOCON Studio are generally produced based on the CAD files, drawings, technical specifications, or other requirements provided by the customer.

(2) Due to the individual manufacturing process, these are regularly custom-made products produced specifically according to the requirements of the respective customer.

(3) Series production is only carried out by separate agreement.

Section 29 Customer's Obligations to Cooperate

The customer is obligated to

• provide complete and error-free CAD files,
• fully communicate all information required for production,
• clearly define material and quality requirements,
• carefully check dimensional data,
• review drawings before placing the order,
• respond promptly to technical queries,
• grant necessary approvals without delay.

Delays due to a lack of cooperation extend agreed delivery periods accordingly.

 

§ 30 Verification of Transmitted Data

(1) EVOCON Studio performs a basic technical plausibility check of the transmitted files.

(2) However, this check does not replace a structural, functional, or safety-related verification of the components designed by the customer.

(3) The customer remains solely responsible for the technical suitability of their design.

 

§ 31 Changes During Production

Once production has commenced, requests for changes by the customer can only be accommodated if technically feasible and economically reasonable.

The customer shall bear any expenses already incurred as well as additional costs resulting from such changes.

 

§ 32 Material Properties

Additively manufactured components exhibit characteristics inherent to the process and materials used.

These include, in particular:

• visible layer structures,
• slight color variations,
• surfaces characteristic of the material,
• manufacturing-related tolerances,
• varying mechanical properties depending on print orientation,
• shrinkage and warping effects,
• as well as material-dependent strengths.

In principle, these characteristics do not constitute a material defect, provided they correspond to the generally accepted characteristics of the respective manufacturing process.

 

§ 33 Manufacturing Tolerances

Manufacturing is carried out in accordance with the current state of the art.

Dimensional deviations falling within the tolerances customary for the manufacturing process employed do not constitute a defect.

If the customer has specific tolerance requirements, these must be expressly agreed upon in writing prior to the placement of the order.

 

§ 34 Quality Control

EVOCON Studio conducts appropriate quality controls as part of the respective manufacturing processes.

The scope of quality inspection depends on the specific order, the agreed specifications, and the manufacturing process employed.

A 100% inspection of all characteristics is performed only if expressly agreed upon in writing.

 

§ 35 Acceptance

Where acceptance has been agreed upon, the customer must inspect the delivered services without undue delay.

Recognizable defects must be reported in writing within a reasonable period.

If a notice of defect is not provided within the required timeframe, statutory provisions apply. In the case of business customers (entrepreneurs), the obligations to inspect and give notice of defects under the Commercial Code (HGB) remain unaffected.

 

Chapter 6 – Warranty, Rights Regarding Defects, and Liability

§ 36 Warranty

(1) Statutory warranty rights apply, unless deviating provisions for business customers have been validly agreed upon in these General Terms and Conditions.

(2) The assessment of whether a defect exists is based exclusively on the technical specifications expressly agreed upon between the parties.

(3) Minor, production-related deviations—particularly regarding color, surface finish, material structure, or dimensional accuracy—that fall within agreed or customary manufacturing tolerances do not constitute a material defect.

 

§ 37 Obligation to Inspect and Give Notice of Defects (Business Customers)

(1) Business customers must inspect the delivered goods immediately upon receipt. (2) Obvious defects must be reported to EVOCON Studio in writing without undue delay.

(3) Hidden defects must be reported in writing without undue delay after their discovery.

(4) If a proper inspection or notification of defects is not carried out, the statutory provisions of the Commercial Code shall apply.

 

§ 38 Subsequent Performance

In the event of a material defect, EVOCON Studio is entitled, at its own discretion, to

• to rectify the defect,
• to make a replacement delivery,
• or to re-execute the affected order,

provided that the statutory requirements are met.

If subsequent performance fails or is unreasonable, the customer is entitled to statutory rights.

 

§ 39 Liability for CAD Files and Customer Specifications

(1) EVOCON Studio manufactures components according to the data provided by the customer.

(2) The customer is solely responsible for the technical accuracy, completeness, functionality, dimensional accuracy, and legal compliance of the transmitted CAD files.

(3) EVOCON Studio assumes no liability for damages resulting from faulty, incomplete, or unsuitable customer specifications.

 

§ 40 Functionality and Operational Suitability

Unless expressly agreed otherwise in writing, EVOCON Studio assumes no liability for the following:

• that a component is suitable for a specific intended use,
• reliably withstands specific loads over the long term,
• complies with statutory approvals,
• or can be used for safety-critical applications.

The customer is solely responsible for verifying suitability for the intended use.

 

§ 41 General Liability

(1) EVOCON Studio shall be liable in accordance with statutory provisions in cases of willful intent and gross negligence.

(2) In cases of simple negligence, EVOCON Studio shall be liable only for the breach of essential contractual obligations (cardinal obligations) and limited to the foreseeable damage typical of the contract, to the extent permitted by law.

(3) The foregoing limitations of liability shall not apply in cases of:

• injury to life, body, or health,
• claims under the Product Liability Act,
• fraudulent concealment of a defect,
• or where liability is mandatory by law.

 

§ 42 Exclusion of liability for safety-critical applications

As a general rule, products manufactured by EVOCON Studio are not intended for safety-critical applications or applications requiring regulatory approval, unless expressly agreed otherwise in writing.

This applies in particular to applications in the following areas:

• aerospace,
• medical technology,
• safety-critical vehicle components,
• weapons,
• nuclear facilities,
• critical protection systems,
• or comparable high-risk applications.

The use of the supplied products in such areas is solely at the customer's own risk.

 

§ 43 Statute of Limitations

Statutory limitation periods apply to claims based on defects, unless deviating statutory provisions or individual contractual agreements exist.

 

Chapter 7 – Intellectual Property, Confidentiality, and Final Provisions

§ 44 Copyrights and Intellectual Property

(1) All designs, CAD models, technical drawings, visualizations, calculations, documentation, quotations, concepts, and other work results created by EVOCON Studio are subject to copyright protection and other statutory intellectual property rights, where applicable.

(2) Unless expressly agreed otherwise in writing, all copyrights, usage rights, and exploitation rights regarding the documents created by EVOCON Studio remain with EVOCON Studio.

(3) The customer receives only those usage rights expressly granted in the respective contract.

 

§ 45 Rights to Uploaded Customer Data

(1) The customer warrants that they hold all rights to the files, drawings, models, logos, trademarks, or other documents transmitted by them.

(2) The customer shall indemnify EVOCON Studio against all third-party claims arising from an infringement of copyrights, trademark rights, patents, design rights, or other intellectual property rights caused by the data provided by the customer.

(3) EVOCON Studio is under no obligation to verify the legal admissibility of the content provided by the customer.

 

§ 46 Confidentiality

(1) EVOCON Studio undertakes to use the customer's confidential information solely for the purpose of executing the respective order.

(2) Confidential information includes, in particular:

• CAD files
• Technical drawings
• Design data
• Prototypes
• Manufacturing documentation
• Cost calculations
• Trade secrets
• Development documentation
• Technical specifications

(3) Data is disclosed only to the extent necessary for the performance of the contract or as required by law.

 

§ 47 Reference

EVOCON Studio is entitled to cite the customer as a reference subject to prior consent.

Images, CAD data, or project details shall only be published with the customer's express consent.

 

§ 48 Force Majeure

If EVOCON Studio is unable to fulfill its contractual obligations—or can only do so with a delay—due to events of force majeure, agreed deadlines shall be extended accordingly.

Force majeure events include, in particular:

• Natural disasters
• Fire
• Flooding
• War
• Terrorism
• Pandemics
• Strikes
• Power outages
• Supply shortages
• Cyberattacks
• Government measures
• Other unforeseeable events beyond our control.

§ 49 Set-off and Right of Retention

The Customer is entitled to set off claims only if their counterclaims have been legally established, are undisputed, or have been acknowledged by EVOCON Studio.

A right of retention exists only insofar as it is based on the same contractual relationship.

 

§ 50 Applicable Law

The law of the Federal Republic of Germany applies exclusively, excluding the UN Sales Convention (CISG), to the extent permitted by law.

In the case of consumers, this choice of law applies only insofar as it does not deprive the consumer of the protection afforded by mandatory provisions of the law of the state in which the consumer has their habitual residence.

 

§ 51 Place of Jurisdiction

If the Customer is a merchant, a legal entity under public law, or a special fund under public law, the registered office of EVOCON Studio UG (limited liability) shall be the exclusive place of jurisdiction for all disputes arising from or in connection with the contractual relationship, to the extent permitted by law.

 

§ 52 Severability Clause

Should individual provisions of these General Terms and Conditions be or become invalid or unenforceable, in whole or in part, the validity of the remaining provisions shall remain unaffected.

In place of the invalid or unenforceable provision, the legally permissible provision that comes closest to the economic purpose of the original provision shall be deemed agreed upon. The same applies to any regulatory gaps.

 

End of General Terms and Conditions

Status: June 2026

_____________________________________

Special Terms and Conditions for Engineering, Design, and 3D Printing Services

 

Chapter 1 – Scope of Application

§ 1 Scope

These Special Terms and Conditions supplement the General Terms and Conditions of EVOCON Studio UG (limited liability).

They apply to all services in the field of:

• Engineering
• Design
• CAD development
• Reverse engineering
• Product development
• Prototyping
• Additive manufacturing (3D printing)
• Small-batch production
• Technical consulting
• Feasibility studies
• Digital manufacturing services

In the event of any conflict between these conditions and the General Terms and Conditions, these Special Terms and Conditions for the aforementioned services shall prevail.

 

Chapter 2 – CAD Files and Customer Data

§ 2 Provision of CAD Files

The Client shall provide all data required for the execution of the order in full and in a technically suitable format.

This includes, in particular:

• STEP (.stp/.step)
• STL
• 3MF
• IGES (.igs/.iges)
• OBJ
• DXF
• DWG
• PDF drawings
• Technical specifications
• Bills of materials
• Material specifications

The client is responsible for the completeness and accuracy of these documents.

 

§ 3 Rights to the provided data

By submitting the data, the client confirms that

• to hold all necessary usage rights,
• not to infringe upon the rights of third parties,
• and to be authorized to commission the production.

The Client shall indemnify EVOCON Studio against all third-party claims arising from an infringement of intellectual property rights resulting from the data provided.

 

§ 4 Confidentiality

EVOCON Studio shall treat all transmitted CAD files, drawings, models, bills of materials, specifications, and other technical documents as confidential.

Use shall be exclusively

• for the preparation of quotations,
• for technical review,
• for production,
• for quality assurance,
• as well as for contract execution.

Data is disclosed to third parties only to the extent necessary for the performance of the contract or as required by law.

 

Chapter 3 – Technical Review

§ 5 Plausibility Check

Before production begins, EVOCON Studio may subject the transmitted data to a technical plausibility check.

This includes, in particular:

• File integrity
• Printability
• Obvious geometry errors
• Minimum wall thicknesses
• Obvious collisions
• Obvious manufacturing issues

This test does not replace design or functional approval.

 

Section 6 Client's Responsibility

The responsibility for

• Design,
• function,
• dimensioning,
• load-bearing capacity,
• material selection,
• approval,
• as well as the intended use

remains exclusively with the Client, unless expressly agreed otherwise in writing.

 

Chapter 4 – Manufacturing

§ 7 Additive Manufacturing

Manufacturing is carried out in accordance with the agreed manufacturing process and the technical capabilities available at the time of production.

Manufacturing-related characteristics—such as layer structures, material-specific surface finishes, minor dimensional deviations, or color variations—do not constitute a defect, provided they fall within agreed or industry-standard tolerances.

 

§ 8 Change Management

Once production has been approved, changes to the design, material, or quantity can only be accommodated if technically feasible and economically reasonable.

Any resulting additional costs or schedule delays will be communicated to the Client prior to implementation.

 

§ 9 Approval

Where agreed, production shall commence only after written approval of:

• CAD models,
• technical drawings,
• material selection,
• surfaces,
• production quantities
• or prototypes.

By granting approval, the client confirms the technical suitability of the approved design/execution.

 

Chapter 5 – Manufacturing Tolerances, Quality, and Material Properties

§ 10 Manufacturing Tolerances

(1) Additively manufactured components are subject to manufacturing tolerances inherent to the process, material, and design.

(2) Dimensional deviations falling within the generally accepted tolerances for the respective manufacturing process do not constitute a material defect, provided that no precision tolerances expressly agreed upon in writing have become part of the contract.

(3) For functional fits, EVOCON Studio generally recommends producing a prototype or sample part prior to serial production.

(4) If the client requires specific dimensional, form, or positional tolerances, these must be communicated in writing and agreed upon separately prior to the placement of the order.

 

§ 11 Material-Related Properties

(1) The properties of additively manufactured components vary depending on the material and the manufacturing process.

These include, in particular:

• Surface texture
• Layer lines
• Print direction
• Mechanical properties
• Temperature resistance
• UV resistance
• Chemical resistance
• Moisture absorption
• Dimensional stability

(2) Color variations between different production batches and minor differences in surface finish do not constitute a defect.

(3) Material data sheets describe typical material properties. They do not constitute warranted properties or guarantees.

 

§ 12 Functional Testing

(1) EVOCON Studio tests manufactured components exclusively to the agreed extent.

(2) In the absence of an express written agreement, there is, in particular, no:

• Fatigue test
• Load test
• Service life test
• Safety test
• Approval test
• CE conformity assessment
• Medical validation
• Aviation clearance

(3) The Client bears sole responsibility for verifying suitability for the intended purpose.

 

§ 13 Prototypes

(1) Prototypes serve the purpose of testing, validating, and further developing designs.

(2) As a general rule, prototypes are not to be regarded as products ready for series production.

(3) Prior to series production, EVOCON Studio recommends that the Client grant technical approval based on testing under actual operating conditions.

 

§ 14 Series Production

(1) Series production is carried out based on the design approved by the Client.

(2) Modifications to the design following approval may affect price, delivery time, material consumption, and quality.

(3) EVOCON Studio is entitled to employ equivalent manufacturing processes or materials in line with technical advancements, provided this does not significantly impair the agreed properties and no express agreement to the contrary has been made.

 

§ 15 Complaints

(1) The Client must inspect delivered products immediately upon receipt for obvious defects, transport damage, and discrepancies regarding the order.

(2) Complaints must be submitted in writing as soon as possible, stating the order number and a description of the defect, and including clear photographs or other supporting evidence.

(3) As a general rule, components subject to a complaint must not be modified, reworked, or disposed of without prior consultation with EVOCON Studio if doing so would make it impossible to examine the alleged defect.

(4) EVOCON Studio shall be given the opportunity to examine the alleged defect and shall decide on the further course of action in accordance with statutory regulations.

 

§ 16 Post-processing

(1) Where agreed, post-processing steps such as grinding, drilling, threading, lacquering, dyeing, or other processing operations may be carried out.

(2) Post-processing may alter dimensions, surfaces, or material properties.

(3) Subsequent processing by the Client or third parties may affect warranty claims, insofar as the defect asserted is attributable to such processing.

 

§ 17 Packaging

(1) Packaging is carried out according to professional standards, taking into account the nature, size, and fragility of the respective product.

(2) Special packaging requirements must be agreed upon in writing prior to the placement of the order.

(3) Additional costs for special packaging, export packaging, or customer-specific packaging solutions will be charged separately, unless otherwise agreed.

 

Chapter 6 – Development Services, Reverse Engineering, and Technical Consulting

§ 18 Engineering and Development Services

(1) At the Client’s request, EVOCON Studio provides engineering and development services, particularly in the following areas:

• Product development
• Mechanical engineering
• Fixture design
• Tooling and equipment design
• Plastic and metal component design
• Test rig development
• CAD design
• Technical calculations
• Feasibility studies
• Design optimization
• Manufacturing optimization

(2) The scope of services is determined exclusively by the respective quotation, the order confirmation, or a separate written agreement.

 

§ 19 Technical Consulting

(1) Consulting services are provided to the best of professional knowledge based on the information available at the time the services are rendered.

(2) Unless expressly agreed otherwise in writing, EVOCON Studio does not guarantee any specific economic or technical outcome.

(3) The Client is solely responsible for making decisions regarding design, material selection, operating conditions, or production processes.

 

§ 20 Reverse Engineering

(1) Reverse engineering services are performed exclusively based on components or documentation provided by the Client.

(2) The Client warrants that they are authorized to commission these services and do not infringe upon the intellectual property rights of third parties.

(3) EVOCON Studio does not verify the existence of third-party patents, utility models, copyrights, design rights, or other intellectual property rights.

(4) The Client shall indemnify EVOCON Studio against all third-party claims arising from an infringement of such rights.

 

§ 21 Design Changes

(1) Requests for changes by the Client after the start of the project must be submitted in writing.

(2) EVOCON Studio assesses the technical and economic feasibility of the requested changes.

(3) Changes may, in particular, affect:

• Development effort
• Manufacturing effort
• Material usage
• Delivery dates
• Project costs
• Testing and approval processes

(4) Required additional services shall be remunerated separately, provided they are not already covered by the original scope of services.

 

§ 22 Project Documentation

(1) The Client shall provide EVOCON Studio with all documentation required for the execution of the project in a timely manner.

This includes, in particular:

• Requirements specifications
• Detailed specifications
• CAD data
• Drawings
• Bills of materials
• Standards
• Testing specifications
• Material specifications
• Approvals
• Sample parts

(2) Delays resulting from information provided late or incompletely shall extend agreed delivery and project deadlines accordingly.

 

§ 23 Project Communication

(1) To ensure an efficient project workflow, each contracting party shall designate at least one technical contact person.

(2) For the sake of traceability, technical decisions, approvals, and change orders should be made in writing (e.g., via email or an agreed project management system).

(3) Verbal agreements shall only become binding once confirmed in writing by EVOCON Studio or if they clearly emerge from the actual course of the project.

 

§ 24 Project Acceptance

(1) Where acceptance has been agreed upon, it shall take place following the completion of the contractually owed services.

(2) The Client undertakes to inspect the services within a reasonable period and to notify EVOCON Studio in writing of any existing defects in a manner that allows them to be clearly understood.

(3) If no material defects are reported within the agreed or statutory period and the service is put into productive use, the service may be deemed accepted, provided that no mandatory statutory provisions prevent this.

(4) Partial acceptances may be agreed upon and do not preclude a subsequent final acceptance of the entire project.

 

Chapter 7 – Confidentiality, Trade Secrets, and Rights of Use

§ 25 Confidentiality

(1) EVOCON Studio undertakes to use all confidential information received within the scope of the business relationship exclusively for the execution of the respective order.

(2) Confidential information includes, in particular:

• CAD files
• 3D models
• Technical drawings
• Bills of materials
• Requirements specifications and functional specifications
• Prototypes
• Manufacturing documentation
• Cost calculations
• Development data
• Test results
• Trade and business secrets
• Other non-public technical or commercial information.

(3) The obligation of confidentiality shall continue to apply after the termination of the business relationship, unless statutory disclosure obligations exist.

 

§ 26 Protection of Trade Secrets

(1) EVOCON Studio shall treat the Client’s trade secrets in compliance with statutory provisions, in particular the Trade Secrets Act (GeschGehG).

(2) Confidential documents shall be made accessible only to those employees or commissioned third parties who require such information to execute the respective order.

(3) Where external service providers are engaged, this shall be done—to the extent necessary—subject to appropriate contractual confidentiality and data protection arrangements.

 

§ 27 Rights of Use Regarding Work Results

(1) Where EVOCON Studio creates CAD models, designs, technical drawings, or other work results on behalf of the Client, the Client shall acquire the contractually agreed rights of use upon full payment.

(2) The scope of the rights of use shall be determined by the respective contract or quotation.

(3) Unless expressly agreed otherwise, all rights extending beyond this scope shall remain with EVOCON Studio.

 

§ 28 Ownership of Client Data

(1) CAD files, drawings, and other project documents provided by the Client shall remain the property of, or under the ownership rights of, the Client.

(2) EVOCON Studio shall be granted only the right of use necessary for the preparation of quotations, project execution, manufacturing, and contract processing.

(3) Use for other purposes shall take place exclusively with the Client’s prior consent or on a statutory basis. § 29 Archiving of Project Data

(1) EVOCON Studio may archive project-related records, CAD files, and technical documentation for a reasonable period following the completion of the project, insofar as this is necessary for the performance of the contract, documentation, the handling of defects, or compliance with statutory retention obligations.

(2) Upon the expiration of the respective retention periods, the data shall be deleted or anonymized, unless statutory obligations or legitimate interests preclude such deletion.

 

§ 30 Reference Projects

(1) EVOCON Studio may only name or publish a project as a reference with the prior consent of the client.

(2) Without express consent, neither technical drawings nor CAD files, photos, renderings, or other project-related information will be published if this could impair the legitimate interests of the client.

(3) General information about the type of project or the scope of services may be used in anonymized form for statistical or advertising purposes, provided that no conclusions can be drawn about the client and no contrary agreements exist.

§ 31 Return of Documents

To the extent permitted by law or contractually agreed, original documents provided by the client will be returned after completion of the project or destroyed in accordance with data protection regulations upon request. Digital copies may be archived within the scope of statutory retention obligations or to protect legitimate interests.

Chapter 8 – Final Provisions

§ 32 Technical Modifications

(1) EVOCON Studio is entitled to make technical modifications to designs, manufacturing processes, materials, or production procedures, provided that

• so that the agreed function is not impaired,
• no significant disadvantages arise for the client,
• legal or regulatory requirements are met,

or the changes serve the purpose of technical progress.

(2) Material changes shall be communicated to the Client prior to implementation, provided they affect functionality, price, or delivery time.

 

§ 33 Force Majeure

(1) Events of force majeure shall release EVOCON Studio from the obligation to perform on time for the duration of the disruption and for a reasonable start-up period.

(2) Force majeure shall be deemed to include, in particular:

• Natural disasters
• Fire
• Floods
• Pandemics
• Epidemics
• Strikes
• Power supply disruptions
• Supply shortages
• Cyberattacks
• Government actions
• War
• Terrorism
• Other unforeseeable events beyond our control.

(3) If an event of force majeure persists and performance of the contract becomes permanently unreasonable, either contracting party may withdraw from the contract in accordance with statutory provisions.

 

§ 34 Export and Use of Products

(1) The Client is solely responsible for complying with statutory regulations regarding the export, import, and product safety of the supplied products, as well as their use.

(2) EVOCON Studio assumes no responsibility for the permissibility of using the products in specific countries or fields of application, unless expressly agreed otherwise in writing.

 

§ 35 Severability Clause

Should individual provisions of these Special Terms and Conditions be or become invalid or unenforceable, in whole or in part, the validity of the remaining provisions shall remain unaffected.

In place of the invalid or unenforceable provision, the legally permissible regulation that comes closest to the economic purpose of the original provision shall be deemed agreed upon. The same applies to any regulatory gaps.

 

§ 36 Order of Precedence of Contractual Documents

In the event of contradictions between various components of the contract, the following order of precedence applies:

1. Individual written agreements

2. Order confirmation

3. Quotation

4. Scope of services

5. Special terms and conditions for engineering, design, and 3D printing services

6. General Terms and Conditions (GTC)

 

§ 37 Entry into Force

These Special Terms and Conditions apply to all contracts concluded from the date of their publication onwards, provided they have been effectively incorporated into the respective contractual relationship.

Status: June 2026

Cancellation Policy and Consumer Information

Chapter 1 – Cancellation Policy

§ 1 Right of Cancellation for Consumers

Consumers generally have a statutory right of cancellation for contracts concluded away from business premises and for distance contracts.

Cancellation Period

The cancellation period is fourteen (14) days from the day

• on which you or a third party named by you, who is not the carrier, have taken possession of the goods,
• or – in the case of partial deliveries – have received the last of the goods.

To exercise your right of withdrawal, you must inform

EVOCON Studio UG (haftungsbeschränkt)
Alte Rathausgasse 2a
74924 Neckarbischofsheim

E-mail: hello@evocon.studio

of your decision by means of an unequivocal statement (e.g., by letter or e-mail).

To meet the withdrawal deadline, it is sufficient for you to send your communication concerning your exercise of the right of withdrawal before the withdrawal period has expired.

 

§ 2 Consequences of withdrawal

If you effectively withdraw from this contract, we shall reimburse all payments received from you, including standard delivery costs, without undue delay and in any event no later than fourteen days from the day on which we are informed about your decision to withdraw from this contract.

We will carry out such reimbursement using the same means of payment as you used for the initial transaction, unless expressly agreed otherwise.

You must send back the goods without undue delay and in any event no later than fourteen days from the day on which you communicate your withdrawal from this contract to us.

You shall bear the direct costs of returning the goods, to the extent permitted by law.

 

Section 3 Exclusion of the Right of Withdrawal

There is no right of withdrawal to the extent that no statutory right of withdrawal is provided for. This applies in particular to contracts for goods,

• which are not prefabricated,
• the production of which is based on an individual choice or decision by the consumer,
• or which are clearly tailored to the consumer's personal needs.

This includes, in particular, 3D-printed parts manufactured individually according to customer specifications, prototypes, and components produced based on customer-provided CAD files.

The legal requirements and limitations of this exclusion remain unaffected.

§ 4 Commencement of Production

By expressly approving the production order, the customer confirms that EVOCON Studio may begin processing and manufacturing.

Where legally required, necessary declarations or consents will be obtained separately before production commences.

§ 5 Returns

Returns should be announced in advance whenever possible.

Returns must be shipped securely.

Damage resulting solely from improper packaging during return shipping may be considered in accordance with statutory regulations.

§ 6 Complaints

Regardless of any statutory right of withdrawal, the customer's statutory warranty rights remain unaffected.

Complaints should be submitted as soon as possible, including clear photos and a description of the defect, to facilitate prompt processing.

 

Chapter 2 – Sample Cancellation Form

Sample Cancellation Form

If you wish to cancel the contract, you can fill out this form and return it to us.

 

To:

EVOCON Studio UG (limited liability)
Alte Rathausgasse 2a
74924 Neckarbischofsheim
Germany

Phone: +49 160 98 75 07 91

E-mail: hello@evocon.studio

 

Right of Withdrawal

I/We hereby withdraw from the contract concluded by me/us regarding the purchase of the following goods or the provision of the following service:

Ordered on:

Received on:

Order number (optional):

Name of consumer:

Address:

Phone (optional):

E-mail (optional):

Reason for withdrawal (optional):

Date:

Signature (only if notification is on paper):

 

Information on the right of withdrawal

• Providing a reason for the revocation is voluntary and is not a condition for the revocation to be effective.
• The form may be submitted by post or by email.
• Statutory revocation periods remain unaffected.
• For products manufactured according to individual customer specifications, the right of revocation may be excluded under statutory provisions. The governing factors are the statutory provisions as well as the terms set out in the contract and the instructions on the right of revocation.

 

Contact for Inquiries

EVOCON Studio UG (limited liability)

Alte Rathausgasse 2a
74924 Neckarbischofsheim

Email: hello@evocon.studio

Phone: +49 160 98 75 07 91

 

Chapter 3 – Material Guidelines and Technical Manufacturing Rules

§ 1 General Information

The following material guidelines serve to provide information on the typical properties of the materials and manufacturing processes offered by EVOCON Studio.

All stated properties represent typical empirical values ​​and—unless expressly agreed upon in writing—do not constitute guaranteed product properties or warranties.

The selection of the appropriate material is generally the responsibility of the client. Upon request, EVOCON Studio provides support with material selection as part of a technical consultation.

 

§ 2 PLA (Polylactide)

Typical Properties

• High dimensional accuracy
• Excellent print quality
• Good surface finish
• Easy post-processing
• Low tendency to warp

Typical areas of application

• Design models
• Architectural models
• Demonstration models
• Conceptual components
• Low-load functional prototypes

Limitations

PLA is only suitable to a limited extent for:

• continuous exposure to sunlight
• elevated temperatures
• components subject to high mechanical stress
• permanent outdoor applications

 

§ 3 PETG

Typical properties

• High impact strength
• Good chemical resistance
• Good weather resistance
• Good layer adhesion
• High fatigue strength

Typical areas of application

• Functional parts
• Fixtures
• Housings
• Mounts
• Machine components
• Prototypes

§ 4 ABS / ASA

Properties

• High temperature resistance
• Good mechanical strength
• Good machinability
• High continuous load-bearing capacity

In addition, ASA possesses significantly better UV and weather resistance and is therefore particularly suitable for outdoor applications.

Typical applications:

• Housings
• Mechanical engineering components
• Automotive engineering
• Outdoor use
• Technical prototypes

 

§ 5 PA (Nylon)

Typical properties:

• very high strength
• high toughness
• good wear resistance
• good sliding properties
• high fatigue strength

Suitable for:

• Functional components
• Gears
• Bearings
• Fixtures
• Mechanical engineering
• Industrial applications

§ 6 Carbon-fiber-reinforced materials (PA-CF, PETG-CF, etc.)

Carbon-fiber-reinforced materials are characterized in particular by:

• high rigidity
• low weight
• low deformation
• high dimensional stability
• excellent mechanical properties

They are particularly suitable for:

• Lightweight construction
• Fixture construction
• Robotics
• Automation technology
• Mechanical engineering
• Prototypes with high mechanical requirements

§ 7 TPU (Flexible materials)

Properties:

• high elasticity
• good resilience
• abrasion-resistant
• shock-absorbing

Suitable for:

• Seals
• Protective elements
• Buffers
• Flexible connecting elements
• Grippers
• Cable grommets

§ 8 Material Selection

Unless the client specifies a particular material, the material selection is based on the requirements known for the project.

Any recommendation made by EVOCON Studio does not replace an independent technical assessment by the client regarding suitability, certification, or operating conditions.

 

§ 9 Special Notes

Material properties may be influenced, in particular, by:

• Print orientation
• Wall thickness
• Infill density
• Geometry
• Environmental conditions
• Temperature
• Humidity
• UV radiation
• Chemical exposure

These factors must be taken into account during the design and use of the components.

 

§ 10 Material Changes

Should an agreed-upon material be temporarily unavailable, EVOCON Studio may use a technically equivalent material following prior consultation with the client.

A change of material shall only take place with the client's approval or based on a corresponding contractual agreement.

 

Chapter 4 – Design and Engineering Guidelines

§ 11 General Design Guidelines

To ensure cost-effective, high-quality production, components should be designed in accordance with the specific characteristics of the respective additive manufacturing process.

A design optimized for manufacturing improves, in particular:

• Dimensional accuracy
• Surface quality
• Stability
• Production time
• Material consumption
• Cost-effectiveness

 

§ 12 Minimum wall thicknesses

The required minimum wall thickness depends on the material used, the manufacturing process, and the geometry of the component.

• The following general recommendations apply:
• unloaded components: at least 1.0 mm
• standard functional parts: at least 2.0 mm
• highly stressed components: at least 3.0 mm
• long, free-standing elements: design with increased thickness depending on the load
• Very thin-walled areas can lead to warping, breakage, or inadequate print quality.

§ 13 Bores

As a general rule, bores should be designed with a sufficient diameter.

For fits that are critical to function, subsequent machining (e.g., drilling or reaming) is recommended if high dimensional accuracy is required.

 

§ 14 Threads

Printed threads are suitable for low-load applications.

For connections subject to continuous loading, EVOCON Studio recommends the use of:

• Threaded inserts
• Heat-set nuts
• Press-in nuts
• Metal threads
• Threaded bushings

§ 15 Fits

For plug-in connections, sliding fits, or press fits, the manufacturing-related tolerances of the respective process must be taken into account.

For functionally critical fits, EVOCON Studio recommends producing a sample part prior to serial production.

 

§ 16 Overhangs

Depending on the manufacturing process, overhangs can only be produced without support structures up to a certain angle.

Larger overhangs may require additional support structures.

These can affect:

• Surface quality
• Post-processing effort
• Production time

• Manufacturing costs

   

§ 17 Undercuts and Cavities

Closed cavities, undercuts, or hard-to-reach areas should be taken into account during the design phase.

Depending on the manufacturing process, venting or cleaning openings may be required.

 

§ 18 Tolerances

Unless specific precision tolerances have been agreed upon in writing, manufacturing is carried out in accordance with the standard production tolerances for the respective process.

For high-precision components, EVOCON Studio recommends subsequent mechanical machining.

 

§ 19 Build Orientation

The orientation of the component within the build space influences, among other things:

• Strength
• Surface quality
• Dimensional accuracy
• Support material
• Print time
• Material consumption

EVOCON Studio selects the build orientation based on technical and economic considerations, unless the client has specified otherwise.

 

§ 20 Post-processing

Depending on the material and manufacturing process, the following post-processing options may be offered:

• Deburring
• Grinding
• Polishing
• Thread cutting
• Drilling
• Milling
• Lacquering
• Dyeing
• Bonding
• Assembly

These services form part of the order only if expressly agreed upon.

 

§ 21 Design Check

The uploaded CAD files are checked solely for obvious technical manufacturability.

A comprehensive review of the design for:

• Functionality,
• Strength,
• Service life,
• Safety,
• Compliance with standards,
• Eligibility for approval, or
• Suitability for the intended purpose

is not part of the standard order unless expressly agreed upon in writing.

 

Chapter 5 – Quality Guidelines, Inspection, and Acceptance

§ 22 Quality Principles

EVOCON Studio manufactures all products in accordance with recognized technical standards and by employing appropriate manufacturing, inspection, and quality assurance procedures.

The scope of quality inspection is determined by:

• the agreed scope of services,
• the manufacturing process employed,
• the agreed technical specifications,
• as well as the requirements of the respective project.

A 100% inspection of all properties is carried out only if expressly agreed upon in writing.

 

§ 23 Visual Inspection

As a general rule, a visual inspection of the manufactured components is performed prior to shipment.

This includes, among other things, an inspection of:

• obvious damage,
• incomplete manufacture,
• gross dimensional deviations,
• severe deformation,
• material defects,
• significant printing errors,
• transport safety of the packaging.

Visual inspection does not replace a complete functional or load test.

 

§ 24 Dimensional Inspection

Dimensional inspection is only carried out to the extent necessary.

• has been contractually agreed,
• is required for the manufacturing process,
• or is part of a separate quality agreement.

Measurement reports are prepared only if expressly agreed.

 

§ 25 Functional Testing

Functional tests are performed exclusively where they form part of the contract.

These may include, for example:

• Assembly checks,
• fit checks,
• movement tests,
• leak tests,
• electrical tests,
• or other project-specific tests.

Without a corresponding agreement, EVOCON Studio is not obligated to perform functional testing.

 

§ 26 Test Reports

Test reports, measurement reports, or documentation will only be created and provided if this is expressly included in the offer or order confirmation.

 

§ 27 Acceptance by the Client

If acceptance has been agreed upon, the client must inspect the delivered services within a reasonable timeframe.

The inspection should include, in particular, the following points:

Conformity with the order,

• Material,
• Dimensions,
• Quantity,
• Function,
• Surface finish,
• Obvious defects.

If no material defects are reported and the service is used in accordance with the contract, the statutory provisions regarding acceptance shall apply.

 

§ 28 Complaint Procedure

Complaints should, where possible, contain the following information:

• Order or invoice number,
• Description of the defect,
• Photos or videos of the affected component,
• Details of the area of ​​application,
• Date of discovery.

This enables faster processing.

 

§ 29 Examination of products subject to complaints

EVOCON Studio is entitled to request products subject to complaints for examination.

In principle, components subject to complaints should not be altered, reworked, or disposed of prior to the conclusion of the examination, insofar as doing so would impair the investigation.

 

§ 30 Remedial action

In the event of a material defect, the defect shall be remedied in accordance with statutory provisions. Subject to statutory requirements, EVOCON Studio may, in particular, carry out remedial work or provide a replacement delivery.

 

§ 31 Quality improvement

Insights gained from complaints, quality inspections, and customer feedback may be analyzed for the purpose of the continuous improvement of products and services.

Any processing of personal data in this context is carried out in accordance with the privacy policy and applicable data protection regulations.