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Custom Parts Design Services

Transform your product vision into precision-engineered reality with Evōk's custom parts design services. With 25 years of injection molding expertise, our team delivers mold-ready designs optimized for manufacturability, cost efficiency, and performance. From initial concept to production-ready CAD files, we ensure your custom parts are engineered for success—combining technical excellence with white-glove customer service.

Engineer reviewing custom injection molded part design on CAD workstation

Our Custom Parts Design Services

Comprehensive engineering and design solutions for injection molded plastic components, from concept to production-ready specifications.

CAD Design

Expert SOLIDWORKS modeling for mold-ready designs. We review and modify customer files or model from scratch, implementing changes for optimal moldability with detailed redlining documentation.

Prototype Services

Rapid prototyping for structural and cosmetic validation. Choose the right prototype process to advance your design before committing to production tooling, with both functional and cosmetic options.

Mold Design

Complete mold design optimization including mold flow analysis, gate sizing, vent location, and modifications to minimize sink and flash for efficient production.

Material Selection

Navigate material and texture science with expert guidance. We integrate optimal material selection into design and development to ensure part performance and cost-effectiveness.

Parts Qualification

Comprehensive qualification including molding trial reports and first article inspection. Monitor critical parameters with detailed data for process validation and tolerance negotiation.

Compliant Mechanisms Design

Specialized design for flexible components that achieve motion through deformation. Collaborate with Studio Weber and Associates on innovative Hinj mechanisms for dematerialization and performance optimization.

Design for Manufacturing

Engineering Excellence Meets Manufacturing Precision

Our custom parts design approach goes beyond aesthetics—we engineer for manufacturability. Every design decision is informed by 25 years of injection molding experience, ensuring your parts are optimized for production efficiency, cost reduction, and performance. From wall thickness optimization to tolerance stacking analysis, we provide detailed CAD design work that eliminates costly revisions and accelerates your time to market with mold-ready specifications.

Close-up of precision injection molded custom plastic parts with technical drawings
Proven Track Record

Success Stories

Trusted by industry leaders for precision parts design and manufacturing excellence.

"driven with details ... Very impressive"

Lawrence Dathe
Lawrence Dathe

"Great expertise and people!"

Rick Chen
Rick Chen

"Evok provided exceptional service! Paul and the studio team demonstrated amazing expertise and professionalism throughout the process. They exceeded expectations with precision and timely execution. Highly recommend for any project requiring top-notch design solutions."

Jason Salveson
Jason Salveson

"Great customer service! Paul is super dedicated."

Mo Amin
Mo Amin

"Paul is very knowledgeable and passionate regarding all facets of plastics manufacturing."

Matt Maskell
Matt Maskell

"Amazing business and amazing person to work with.Paul and I grew up together he has always had attention to detail in everything he has ever done,my company has used him a couple times now and are so pleased with the outcome I would recommend the company to anyone, once again..."

Kevin Nattress
Kevin Nattress

"Had a Great to work with Paul and it has been great! Has a plethora of knowledge and was great to learn from."

Landen Pool
Landen Pool

"driven with details ... Very impressive"

Lawrence Dathe
Lawrence Dathe

"Great expertise and people!"

Rick Chen
Rick Chen

"Evok provided exceptional service! Paul and the studio team demonstrated amazing expertise and professionalism throughout the process. They exceeded expectations with precision and timely execution. Highly recommend for any project requiring top-notch design solutions."

Jason Salveson
Jason Salveson

"Great customer service! Paul is super dedicated."

Mo Amin
Mo Amin

"Paul is very knowledgeable and passionate regarding all facets of plastics manufacturing."

Matt Maskell
Matt Maskell

"Amazing business and amazing person to work with.Paul and I grew up together he has always had attention to detail in everything he has ever done,my company has used him a couple times now and are so pleased with the outcome I would recommend the company to anyone, once again..."

Kevin Nattress
Kevin Nattress

"Had a Great to work with Paul and it has been great! Has a plethora of knowledge and was great to learn from."

Landen Pool
Landen Pool

"driven with details ... Very impressive"

Lawrence Dathe
Lawrence Dathe

"Great expertise and people!"

Rick Chen
Rick Chen

"Evok provided exceptional service! Paul and the studio team demonstrated amazing expertise and professionalism throughout the process. They exceeded expectations with precision and timely execution. Highly recommend for any project requiring top-notch design solutions."

Jason Salveson
Jason Salveson

"Great customer service! Paul is super dedicated."

Mo Amin
Mo Amin

"Paul is very knowledgeable and passionate regarding all facets of plastics manufacturing."

Matt Maskell
Matt Maskell

"Amazing business and amazing person to work with.Paul and I grew up together he has always had attention to detail in everything he has ever done,my company has used him a couple times now and are so pleased with the outcome I would recommend the company to anyone, once again..."

Kevin Nattress
Kevin Nattress

"Had a Great to work with Paul and it has been great! Has a plethora of knowledge and was great to learn from."

Landen Pool
Landen Pool
The Evōk Difference

Why Choose Evōk Polymers?

Experience jewelry quality at optimized price with a partner committed to your success.

25 Years of Expertise

Deep injection molding knowledge and proprietary technology delivering highest quality components at optimized pricing.

Design for Manufacturability

Every part engineered with moldability in mind—eliminating costly revisions and ensuring production-ready designs from the start.

White-Glove Service

Dedicated partnership approach with transparent pricing, detailed documentation, and continuous collaboration throughout your project.

Speed to Market

Cross-functional team with continuous improvement mindset accelerates your product development timeline from concept to launch.

Meet The Evōk Design Team

Experienced engineers and designers passionate about solving manufacturing challenges.

Paul Dathe, Founder and Chief Engineer at EVOK Polymers

Paul Dathe

Founder

Paul Dathe founded Evōk Polymers with a singular mission: delivering the highest quality injection molded components at the lowest possible price through proprietary technology and deep industry expertise. With over 25 years specializing in engineering, product design, and solving complex injection molding challenges, Paul brings unparalleled depth to every project. He holds four U.S. utility patents and earned Six Sigma black belt certification, applying rigorous process optimization to mold design engineering. Prior to founding EVOK, Paul led new product development at Caliber Products, launching 13 products while growing sales 540% and expanding from 25 to 144 customers with 100% retention. His responsibilities spanned tooling design, functional assessments, 3D modeling, prototype fabrication, tolerance analysis, and mold flow studies. Earlier, as Senior Mechanical Engineer at Entegris, Paul managed a $40 million product line of ultra-clean liquid delivery systems for semiconductor applications. He began his career at Rollerblade in design and prototyping before serving in senior engineering roles at General Mills and Boston Scientific. Paul earned his Bachelor of Science in Mechanical Design from Bemidji State University with emphasis in rapid prototyping and 3D computer modeling. He's an active member of Allied Executives Business Leadership Peer group and the Institute of Packaging Professionals.

Jason Weber, Industrial Designer at EVOK Polymers

Jason Weber

Industrial Designer

Jason is a seasoned industrial designer with a passion for creating innovative and functional injection molded products. His design philosophy is deeply influenced by his life within a multi-generational household with his wife, two sons, and mother, which nurtures innate empathy and keen observation of human behavior—qualities that translate directly into user-centered design excellence. Jason brings creative vision to EVOK's engineering projects, balancing aesthetic refinement with manufacturing practicality. His ability to understand how people interact with products ensures that every component he designs not only meets technical specifications but also delivers intuitive functionality and ergonomic comfort. Jason's multidisciplinary approach bridges the gap between pure engineering and real-world application, helping clients create products that resonate with end users. Outside the studio, Jason finds inspiration through cooking, gaming, and relaxation, activities that fuel his creative process and problem-solving abilities.

Shawn Monitor, Sr. Industrial Designer at EVOK Polymers

Shawn Monitor

Sr. Industrial Designer

Shawn Monitor has been an instrumental creative force on some of the most advanced injection molded seating and component projects of the last two decades. His particular expertise lies in graphically and physically communicating evolving design concepts and intricate part features through complex mechanical and visual prototypes built in diverse materials. Shawn creates photorealistic renderings using Otoy OctaneRender® and develops professional layouts, diagrams, and logos with Adobe Creative Cloud, providing clients with clear visualization of engineering concepts before tooling commitment. His deep involvement in pre-molding design reviews has significantly reduced risk on numerous large-scale projects by identifying and resolving potential manufacturing issues early in the development cycle. Shawn excels at finding mechanical molded part solutions that can be prototyped and validated prior to expensive production tooling, saving clients time and money while ensuring design intent is maintained. He holds several patents reflecting his innovative approach to injection mold component design. Beyond his professional achievements, Shawn practices photography and enjoys the vibrant Twin Cities live music scene, interests that sharpen his visual communication skills and creative thinking.

Daniel D. Hoyt, Ph.D., Business Development Manager at EVOK Polymers

Daniel D. Hoyt, Ph.D.

Business Development Manager

Daniel brings exceptional expertise in system and process design engineering, coupled with strategic partnership cultivation that sets EVOK apart in the injection molding industry. His passion for innovation and collaboration drives initiatives that challenge traditional norms in part design, prototyping, tooling, and injection mold manufacturing. Daniel's vision extends beyond disruption—he's building a community centered on continuous improvement, mutual benefit, and genuine partnership that empowers small and mid-sized businesses to compete at the highest levels. His leadership focuses on creating Lean Partnership-Based Organizations that optimize engineering processes and deliver sustainable growth. Daniel's proficiency as a facilitator, public speaker, teacher, and coach, combined with exceptional team-building and mentorship abilities, accelerates EVOK's mission to transform industry standards. Under his guidance, EVOK establishes new benchmarks for collaborative engineering success, ensuring clients receive not just technical expertise but strategic insights that drive their competitive advantage in demanding markets.

Natalie Weber, Operations Officer at Evok Polymers

Natalie Weber

Operations Officer – LIV

Natalie is a dedicated apprentice in product design and management who embodies the harmonious blend of creativity and sustainability in injection mold engineering. Possessing innate curiosity and a discerning eye for innovation, she tirelessly explores where design converges with environmental consciousness—bringing fresh perspectives to material selection and dematerialization strategies. Immersed in intangible design principles since childhood, Natalie grasps the profound impact injection molded products can have on the planet, driving her commitment to infusing eco-consciousness into every project facet. Her education in sustainability, combined with hands-on mentorship from seasoned professionals, accelerates her mastery of product design intricacies. Natalie investigates diverse materials, manufacturing techniques, and emerging technologies, always evaluating their ecological footprint and lifecycle implications. Her journey extends beyond creating aesthetically pleasing components—she's shaping a future where injection mold design engineering seamlessly integrates sustainability principles, leaving a positive legacy for generations while meeting demanding performance specifications.

Julie Young, Accounting and Finance Manager at Evok Polymers

Julie Young

Accounting and Finance Manager

Julie Young has been an integral part of Evok since its inception, bringing meticulous attention to detail and thorough financial expertise to the organization. As an experienced accounting professional, she excels in organizing and categorizing transactions, reconciling accounts, and producing clear, concise financial reports that enable informed business decisions. Julie's proficiency in accounting software ensures streamlined processes and timely delivery of financial information, maintaining compliance with all regulatory requirements. Her dedication to professionalism and confidentiality provides the financial backbone that supports Evok's operations and growth. Beyond standard bookkeeping, Julie plays a critical role in vendor relationship management, ensuring all partners are paid promptly and maintaining the trust-based environment that is central to Evok's values. Her reliable financial services support both the team's effectiveness and customer satisfaction by ensuring resources are properly allocated to deliver exceptional injection molding solutions.

Frequently Asked Questions

What does custom design mean?

Custom design refers to creating a unique product or component tailored to specific requirements, specifications, and applications. In injection molding, custom design involves engineering parts from scratch or modifying existing designs to meet exact functional, aesthetic, and manufacturing needs. At Evōk, our custom design process includes CAD modeling, moldability optimization, material selection, and design for manufacturing to ensure your parts are production-ready and cost-effective.

What is the meaning of part design?

What is the meaning of custom made parts?

How long does the custom parts design process take?

What file formats do you accept for custom part design?

Do you provide prototypes before production tooling?

What is your pricing structure for custom parts design?

Can you help optimize existing parts for better manufacturability?

Ready to Discuss Your Custom Part Design?

Talk to our engineering team for a free consultation on your project requirements and design optimization.

Certified Excellence

Awards and Recognition

Six Sigma Black Belt certification logo

Six Sigma Black Belt

Certified in advanced process optimization and quality control

Institute of Packaging Professionals membership badge

Institute of Packaging Professionals

Member of leading packaging industry association

Allied Executives Business Leadership certification

Allied Executives

Business leadership peer group member

Let's Bring Your Custom Part Design to Life

Share your project details and our engineering team will provide expert guidance, design recommendations, and a detailed project proposal.

Contact Us Today

For immediate assistance, feel free to give us a direct call at +1 612-991-2001.