Model Painter

Your printer can print in color. Now you can paint.

Model Painter turns any STL into a multi-color print: import a model, paint it with your finger or Apple Pencil like in a drawing app, and export a 3MF that opens in Bambu Studio or PrusaSlicer with every color already assigned to a filament.

PAINT LIKE IN A DRAWING APP • Solid, hard-edged brushes made for filament printing — round, square, and flat tips • Apple Pencil pressure controls stroke size; painting with a finger works too • Bucket fill by region, part, connected color, or the whole model • One-tap hole cleanup, eraser, and unlimited undo/redo • Palette of up to 8 colors — one chip per filament slot in your printer

MADE FOR MULTI-COLOR 3D PRINTING • 3MF export carries real per-triangle slicer paint data — Bambu Studio and PrusaSlicer open it with the colors already mapped to filaments, ready to slice • Imports STL and 3MF models, including already-painted 3MF projects • OBJ + texture export for 3D art tools • Bundled 3DBenchy sample model — try the whole flow in 60 seconds

FAST AND PRIVATE • Metal-powered painting engine, smooth even on very dense scanned meshes • Works completely offline — no account, no ads, no tracking, no data collection • Autosaves your painting; your work is back when you return

FREE TO PAINT, ONE-TIME UNLOCK TO EXPORT Painting is completely free — every tool, every model, forever. A single one-time purchase unlocks export (3MF and OBJ). No subscription, ever.