Complete guide to finishing FDM, SLA, SLS and metal 3D printed parts
Sanding: 120→220→400→600→1000 grit. Acetone vapor (ABS): 45-60°C. Epoxy coating fills gaps.
IPA wash. UV cure 30-60 min at 40-60°C. Wet sand 600→2000. Vapor polish.
Bead blast. Dye at 95-100°C. Vibratory tumble. Electroless nickel for EMI shielding.
Wire EDM for supports. Stress relief 600-800°C. HIP eliminates porosity.