A maker successfully created a functional scissor jack using multi-material 3D printing, combining rigid PETG arms with flexible TPU outer layers. The design uses only 80 grams of plastic plus an M6 bolt and rivet nut, yet can deliver over 400 pounds of force. Built on a RatRig VCore4 printer with independent dual extruders,
•2m read time• From hackaday.com
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