Paint textures,
not subscriptions.
inkpainter3d is a free texture painter for game assets. Layers, masks, baking and export presets, with the same words and shortcuts as Substance 3D Painter.
- Open source · GPL-3.0
- Linux + Windows
- No account
Free forever Same shortcuts, same muscle memory.
Texture sets, fill layers, smart masks, anchor points: the names you know, in the places you expect. Painter tutorials carry straight over. Try the keys.
$ inkpainter3d --keys 1
Paint tool
Pick the brush.
✓ same as in Painter
Import to export, already complete.
Import
FBX, glTF and OBJ. Every material becomes a texture set; axes, units and MikkTSpace tangents are handled for you.
Viewport
PBR with HDRI light, a stylized mode with toon shading and ink outline, channel and UV views, dockable panels.
Brushes
Paint, erase, polygon fill, stencils, symmetry, lazy mouse and presets. Pen pressure on Windows Ink, Wayland and X11.
Layers
Paint, fill and folder layers, masks with effects, blend mode and opacity per channel. Every step can be undone.
Baking
AO, curvature, world normal, position and thickness, plus normal, height and ID from your high-poly.
Generators
Mask builder, edge wear, dirt and noise. Ships with 12 smart materials and 6 smart masks.
Shelf
Your own library, PBR folder import and a built-in search for CC0 materials on ambientCG and Poly Haven.
Export
Presets for Blender, Unity (Built-in, URP, HDRP), Godot, glTF and Unreal. PNG, TGA, TIFF and EXR with padding.
Painted by hand Your textures, still yours.
Every commission ships with its .ink3d texture project. Change a colour, add a
scratch, repaint a pattern: open it in inkpainter3d and keep going, without paid software
that might not even run on your system.
- One fileMesh, bakes and every layer in one
.ink3d - Open formatDocumented, so nothing is locked in
- Strokes as dataThey repaint sharp at a higher resolution
- Every channelExported with your engine's names, like the five maps here
9 of 12 phases done.
$ ./roadmap --status
- ✓ Viewport done
- ✓ Texture sets, tangents, HDRI done
- ✓ Brush engine done
- ✓ Layer stack done
- ✓ Project files & export done
- ✓ INKRABBIT interface done
- ✓ Brushes & shelf done
- ✓ Baking done
- ✓ Generators & smart materials done
- ▸ Projection & anchor points in progress
- ○ Ink channel & vector paths planned
- ○ UDIM, Python API, installer planned
? Found a bug? Help → Report a bug… opens a GitHub issue with your version, system and log already filled in. You see everything before it is sent. Open issues →
$ ./download --free
Free forever. Start painting.
No subscription, no account, no licence key. Open source under the GPL, so it stays free, forks included.