Product Development
Injection Molding vs CNC Machining: Choosing a Prototyping Method
The prototyping method you choose affects both sample cost and how closely your sample represents the final mass-production part.
Published 2026-02-11 · Product Development
CNC Machining
Cuts a prototype directly from solid material, fast to produce and ideal for early-stage design validation, but doesn’t perfectly replicate the surface finish or tolerances of an injection-molded final part.
Injection Molding (Soft Tooling)
Uses a lower-cost temporary mold to produce samples that closely match final production parts, worth the added upfront cost once your design is close to final and you need to validate fit and finish precisely.
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