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MeshCoat
What it is
MeshCoat is a free 3D texture-painting app for game developers and 3D artists on Windows, macOS, and Linux. It runs locally, requires no account or subscription, and loads textures from folders on disk. Brush strokes are mapped from 3D camera space into UV coordinates in real time with hardware-accelerated shaders. A non-destructive layer stack supports hiding, reordering, opacity changes, duplication, merging, and live blending. Painting tools include brush, stamp, eraser, fill bucket, effects brush, eyedropper, and face selection. Edge-wear and crevice-dirt generators provide real-time previews and color presets. A screen-space stencil shows reference images for painting or decal projection, while the texture shelf browses local PNG and JPG files. MeshCoat imports OBJ, GLB, and glTF models and exports composite maps as PNG. The maker states that composite results update at 60 FPS and undo and redo provide 100 steps. The app is in development, has no telemetry or network calls, contains no runtime AI or machine-learning models, and uses GPL-3.0-or-later.
For and against
For
- Free tool with optional contributions
- Runs locally without accounts
- Non-destructive layer stack
- Imports OBJ, GLB, and glTF
- 100-step undo and redo
Against
- Marked as in development
- Exports composite maps as PNG
- GPL-3.0-or-later license
- Model preparation recommends joined meshes and non-overlapping UVs
The verdict
MeshCoat focuses on local, real-time 3D texture painting with layers, procedural helpers, and common model formats. Its in-development status and GPL license should be considered before adopting it in a project.
Who it suits
MeshCoat suits game developers and 3D artists who want local texture painting without accounts or subscriptions. It is available across Windows, macOS, and Linux.
Plans and prices
MeshCoat
Free tool · optional support payment
Read 9 Oct 2026 · stuyk.itch.io
On the record
- Availability
- The itch.io page marks MeshCoat as in development and provides a download link on GitHub.stuyk.itch.io · read 9 Oct 2026
- File formats
- MeshCoat imports OBJ, GLB, and glTF models and exports composite maps as PNG.stuyk.itch.io · read 9 Oct 2026
- History and performance
- The maker states that composite results update at 60 FPS and the app has 100-step undo and redo.stuyk.itch.io · read 9 Oct 2026
- Layers
- Its non-destructive layer stack supports hiding, reordering, opacity adjustment, duplication, merging, and live blending.stuyk.itch.io · read 9 Oct 2026
- License
- MeshCoat is licensed under GPL-3.0-or-later.stuyk.itch.io · read 9 Oct 2026
- Local operation
- The maker says MeshCoat runs locally, needs no account or subscription, and loads textures from folders on disk.stuyk.itch.io · read 9 Oct 2026
- Model preparation
- The maker recommends joining the model into a single mesh, welding seams, and using non-overlapping UVs.stuyk.itch.io · read 9 Oct 2026
- Painting tools
- Tools include brush, stamp, eraser, fill bucket, effects brush, eyedropper, and face selection.stuyk.itch.io · read 9 Oct 2026
- Privacy and runtime
- The maker says MeshCoat has no accounts, telemetry, or network calls and contains no runtime AI or machine learning models.stuyk.itch.io · read 9 Oct 2026
- Procedural tools
- Edge wear and crevice dirt generators provide real-time 3D previews and color presets.stuyk.itch.io · read 9 Oct 2026
- Purpose
- MeshCoat is a fast, focused 3D model texture painter for game developers and 3D artists.stuyk.itch.io · read 9 Oct 2026
- Stencil and shelf
- A screen-space stencil displays reference images for painting or decal projection, and the texture shelf browses local PNG and JPG files.stuyk.itch.io · read 9 Oct 2026
- Support
- The itch.io purchase page says the tool is free and accepts optional contributions; it lists no other support terms.stuyk.itch.io · read 9 Oct 2026
- Surface painting
- It maps brush strokes from 3D camera space into UV coordinates in real time and uses hardware accelerated shaders.stuyk.itch.io · read 9 Oct 2026
