Protolabs

Automated quoting for CNC machining, injection molding, sheet metal, and 3D printing. DFM feedback is integrated into the quote — flags thin walls, undercuts, and finish conflicts before production starts.

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NYC CNC

John Saunders runs one of the best CNC machining education resources on the internet. Covers Fusion 360 CAM, fixturing, feeds and speeds, workholding, and real shop-floor decision-making for short-run production.

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This Old Tony

Manual machining and metalworking education with exceptional explanatory clarity. Tony covers lathes, mills, threading, and tooling from first principles. Essential for understanding what CNC automates and why tolerances matter.

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