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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.

"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

"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 expertise and people!"

Rick Chen
Rick Chen

"Great customer service! Paul is super dedicated."

Mo Amin
Mo Amin

"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

"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

"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 expertise and people!"

Rick Chen
Rick Chen

"Great customer service! Paul is super dedicated."

Mo Amin
Mo Amin

"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

"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

"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 expertise and people!"

Rick Chen
Rick Chen

"Great customer service! Paul is super dedicated."

Mo Amin
Mo Amin

"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

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

Matt Maskell
Matt Maskell
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 of Evōk Polymers

Paul Dathe

Founder

Paul Dathe founded Evōk Polymers with a passion for helping people with manufacturing of plastic parts, driven by the goal of supplying the highest quality injection molded components at the lowest possible price. With over 25 years of experience in engineering, product design, and sales, Paul specializes in solving complex problems in injection molding custom plastic components. He holds four U.S. utility patents and is a Six Sigma black belt. Prior to founding Evōk, Paul led new product development for Caliber Products, growing sales 540% and expanding customers from 25 to 144 with 100% retention. He previously served as senior mechanical engineer for Entegris, managing a $40 million product line, and began his career at Rollerblade as a design and prototype engineer. Paul earned a Bachelor of Science in Mechanical Design from Bemidji State University with emphasis in rapid prototyping and 3D computer modeling, and is a member of Allied Executives Business Leadership Peer group and the Institute of Packaging Professionals.

Jason Weber

Industrial Designer

Jason is a seasoned industrial designer with a passion for creating innovative and functional products. His design approach is deeply influenced by his innate empathy and keen observation of human behavior, nurtured within his multi-generational household where he lives with his wife, two sons, and mother. This unique perspective allows Jason to create designs that truly resonate with end users and solve real-world problems. Beyond his professional work, Jason finds fulfillment in exploring his diverse interests including cooking, gaming, and relaxation. His ability to balance creative innovation with practical functionality makes him an invaluable member of the Evōk design team, where he brings fresh perspectives to custom parts design challenges.

Shawn Monitor, Sr. Industrial Designer at Evōk Polymers

Shawn Monitor

Sr. Industrial Designer

Shawn brings curiosity and creative force to the most advanced design projects, serving as a vital contributor over two decades. He excels at graphically and physically communicating evolving design concepts through complex mechanical and visual prototypes in various materials. Shawn creates photorealistic renderings using Otoy OctaneRender® and develops layouts, diagrams, and logos with Adobe Creative Cloud. His expertise in finding mechanical molded part solutions that can be prototyped and confirmed prior to tooling has been instrumental in reducing risk on large-scale projects. Shawn's involvement in pre-molding design reviews has prevented costly mistakes and streamlined production processes. He holds several patents and has conducted research on projects ranging from consumer lawn mower products to biotech and medical facilities. Outside work, Shawn practices photography and enjoys the vibrant Twin Cities live music scene.

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

Daniel D. Hoyt, Ph.D.

Business Development Manager

Daniel's expertise in system and process design, coupled with his ability to cultivate strategic partnerships, sets him apart in the injection molding industry. He is passionate about creating Lean Partnership-Based Organizations that empower small and mid-sized businesses through innovation and collaboration. At Evōk, Daniel leads initiatives challenging traditional norms in part design, prototyping, tooling, and injection mold part manufacturing. His vision extends beyond disruption to building a community centered on continuous improvement, mutual benefit, and genuine partnership. Daniel's proficiency as a facilitator, public speaker, teacher, and coach, combined with his talent for team building and mentorship, drives Evōk's commitment to transforming industry standards. Under his leadership, Evōk is establishing new benchmarks for collaborative success and sustainable growth in custom parts design and manufacturing.

Natalie Weber

Operations Officer – LIV

Natalie is a dedicated apprentice in product design and management who embodies the harmonious blend of creativity and sustainability. With an innate curiosity and discerning eye for innovation, she explores the intersection where design converges with environmental consciousness. Immersed in intangible design principles since childhood, Natalie understands the profound impact products can have on the planet. Her education in sustainability propels her commitment to infusing eco-consciousness into every facet of her work. Under the guidance of her father and seasoned professionals, Natalie delves deeply into product design intricacies, investigating materials, manufacturing techniques, and technologies while remaining mindful of their ecological footprint. Her journey extends beyond creating aesthetically pleasing objects—she aspires to shape a future where design seamlessly intertwines with sustainability, leaving a positive legacy for future generations.

Julie Young, Accounting and Finance Manager at Evōk Polymers

Julie Young

Accounting and Finance Manager

Julie has been with Evōk since its inception, bringing meticulous attention to detail and thorough understanding of financial principles to efficiently manage and maintain accurate financial records. As an experienced bookkeeper with a background in accounting and keen eye for numbers, Julie excels in organizing and categorizing transactions, reconciling accounts, and producing clear and concise financial reports. Her proficiency in accounting software ensures streamlined processes and timely delivery of financial information, enabling the business to make informed decisions and maintain compliance with regulatory requirements. Committed to professionalism and confidentiality, Julie provides reliable bookkeeping services that support the financial health and success of the team and customers. Her dedication ensures all vendors get paid on time, maintaining strong business relationships.

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 You can also send us a quick email at