The 90-second checklist

Before you upload, verify your file has all six items below. Quotes turn around faster when the engineer doesn't have to write back with questions.

3D model in STEP (.step / .stp) or IGES (.iges / .igs). STEP is preferred — IGES occasionally loses surface continuity on import. STL is fine for 3D printing but not ideal for CNC because it loses parametric features.
2D drawing in PDF. Even if your CAD has full GD&T embedded, a 2D drawing makes the engineer's review 4× faster. Include datum references, critical dimensions, and tolerance callouts.
Material specification. Don't just write "aluminum" — specify 6061-T6 or 7075-T6. The wrong alloy is the #1 reason production parts fail downstream.
Critical features highlighted. Use a bubble + balloon callout on the drawing for the 3–5 features that matter most. Engineers prioritize CMM inspection on these.
Surface finish + Ra requirement. "Smooth" is not a finish. Specify Ra 1.6, Ra 0.8, or list a process (anodize Type II clear, bead blast, etc.).
Quantity intent. "1 piece prototype" vs "500 production" changes the entire process plan (fixturing, tool path, inspection sampling). Tell us upfront.

What slows quotes down

Assembly context — even a screenshot of the mating part helps us catch interference issues during DFM review.
Test or use case — a sentence about how the part will be used. "Robot end-effector mount, 50 kg payload, indoor use" tells us whether to optimize for stiffness, weight, or cost.
Past supplier issues — if your last shop missed a tolerance or had a finish issue, tell us. We'd rather know upfront than reproduce the problem.

Upload your prepared file at our quote engine for an instant price estimate, or send via contact for engineer DFM review.

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