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I need a small batch of custom parts, and both CNC machining and 3D printing seem plausible. The part has a few tight-fitting features, but it doesn’t need a polished appearance. I’m less concerned with making a prototype quickly than with keeping the total cost reasonable if I order dozens rather than thousands.
For low-volume production, what usually tips the decision toward one process: material strength, tolerances, setup costs, or the shape of the part? I’d also like to know when it’s worth getting quotes for both.
