3D Printing & Plastics

3D Print Sanding.

Layer lines, threads, and everything else about getting a printed part from the plate to paint-ready.

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How to sand 3D prints

Seven steps from layer lines to paint-ready — PLA, PETG, ABS, resin, and the filler primer trick that cuts your sanding time in half.

Spoiler: you can't. Four ways that actually work — model offset, working them by hand, controlled heat, and printed taps and dies.