Prototype & Pattern Development, Built for Precision and Speed

Before we scale to production, we build and test — turning your concept into a working prototype so the final product is functional, reliable, and ready for your industry's standards.

person looking at prototype

What We Do

A prototype isn't just a sample — it's how we catch design problems before they become expensive production mistakes. Our team develops patterns and working prototypes for automotive and defense partners, refining fit, function, and materials before a single bulk order is cut.

Using our Eastman automated cutting system for precise, repeatable patterns, we move fast without skipping the testing that makes a design production-ready.


Our Process

  • Consultation — We start with your concept, constraints, and end-use requirements.
  • Pattern Development — We translate your specs into a precise, testable pattern.
  • Prototype Build — A working sample you can test for fit, function, and durability.
  • Refinement — We adjust based on your feedback before moving to production.

Why Prototyping Matters

  • Catches design flaws before they become costly at scale
  • Confirms fit and function against real-world use
  • Speeds up your path from concept to launch
  • Reduces the risk of errors once you move to full production

Built for Your Industry

  • Automotive — Prototype components tested for fit and durability before production commitment.
  • Defense — Rigorous prototyping to meet compliance and performance requirements.

Trusted for 30 Years

Why Complete Converting? 

• WBENC-certified, woman-owned manufacturer
• 30 years of pattern and prototype development experience in Toledo, Ohio
• In-house Eastman automated cutting for fast, precise pattern iteration
• A hands-on team that works directly with you through every revision