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Four Steps to Check If Your CAD Design Is Ready for Manufacturing

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Sending an unvetted CAD file to a factory can cause costly delays and forced redesigns, making manufacturability checks essential before requesting quotes. Manufacturability refers to whether a design's geometry is compatible with a specific production process — such as CNC machining, injection molding, die casting, or 3D printing — at the required tolerances and volume. Key geometric factors to evaluate include wall thickness, draft angles, and undercuts, as each manufacturing process imposes its own constraints on these properties. Designers are advised to follow a four-step process: select the target manufacturing method, run a geometry analysis on the STEP file using dedicated software, review flagged issues by severity, and iterate before submission. Completing this internal review upfront allows external factory feedback to focus on higher-level decisions rather than basic geometry errors.

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