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3D Print Sanding: How to Kill Layer Lines Without Melting Your Print
Key Takeaways Open 3D print sanding at 180 to 220 grit. Go coarser only for badly pronounced layer lines or before spray putty, which needs the scratches to grip. Coarse grits and power tools together round off edges, so be careful pairing them. Heat is what ruins PLA. Clogged sandpaper… Learn more »

























