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SPECIFICTION
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MeshCoat

stuyk.itch.io

Free plan WindowsmacOSLinux
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Spec score 7.7 #17 of 29 in 3D Texturing Software

What it is

MeshCoat is free 3D texture-painting software for game developers and 3D artists. It runs on Windows, macOS and Linux, operates locally, needs 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. Tools include brush, stamp, eraser, fill bucket, effects brush, eyedropper and face selection. Edge-wear and crevice-dirt generators provide real-time previews with colour presets. A screen-space stencil displays reference images for painting or decal projection, and a texture shelf browses local PNG and JPG files. MeshCoat imports OBJ, GLB and glTF models and exports composite maps as PNG. The maker says composite results update at 60 FPS, with 100-step undo and redo. The app is in development, contains no telemetry or network calls, and has no runtime AI or machine-learning models. It is licensed under GPL-3.0-or-later and accepts optional contributions.

Spec sheet

Purpose
MeshCoat is a fast, focused 3D model texture painter for game developers and 3D artists.Read 9 Oct 2026 · stuyk.itch.io
Support
The itch.io purchase page says the tool is free and accepts optional contributions; it lists no other support terms.Read 9 Oct 2026 · stuyk.itch.io
License
MeshCoat is licensed under GPL-3.0-or-later.Read 9 Oct 2026 · stuyk.itch.io
Availability
The itch.io page marks MeshCoat as in development and provides a download link on GitHub.Read 9 Oct 2026 · stuyk.itch.io
File formats
MeshCoat imports OBJ, GLB, and glTF models and exports composite maps as PNG.Read 9 Oct 2026 · stuyk.itch.io
History and performance
The maker states that composite results update at 60 FPS and the app has 100-step undo and redo.Read 9 Oct 2026 · stuyk.itch.io
Layers
Its non-destructive layer stack supports hiding, reordering, opacity adjustment, duplication, merging, and live blending.Read 9 Oct 2026 · stuyk.itch.io
Local operation
The maker says MeshCoat runs locally, needs no account or subscription, and loads textures from folders on disk.Read 9 Oct 2026 · stuyk.itch.io
Model preparation
The maker recommends joining the model into a single mesh, welding seams, and using non-overlapping UVs.Read 9 Oct 2026 · stuyk.itch.io
Painting tools
Tools include brush, stamp, eraser, fill bucket, effects brush, eyedropper, and face selection.Read 9 Oct 2026 · stuyk.itch.io
Privacy and runtime
The maker says MeshCoat has no accounts, telemetry, or network calls and contains no runtime AI or machine learning models.Read 9 Oct 2026 · stuyk.itch.io
Procedural tools
Edge wear and crevice dirt generators provide real-time 3D previews and color presets.Read 9 Oct 2026 · stuyk.itch.io
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.Read 9 Oct 2026 · stuyk.itch.io
Surface painting
It maps brush strokes from 3D camera space into UV coordinates in real time and uses hardware accelerated shaders.Read 9 Oct 2026 · stuyk.itch.io

Plans and prices

MeshCoat Free Name your own price; optional contributions of $1, $2, $5, or $10 Free tool · optional support payment Read 9 Oct 2026 · stuyk.itch.io

Every MeshCoat plan and price →

Strong points and limits

Strong points

  • Runs locally without accounts
  • Non-destructive layer stack
  • Real-time procedural texture previews
  • Imports OBJ, GLB and glTF
  • 100-step undo and redo

Limits

  • The app is still in development
  • Exports composite maps as PNG only
  • Requires non-overlapping UVs for recommended preparation
  • GPL-3.0-or-later license applies

Who it suits

MeshCoat suits game developers and 3D artists who want local texture painting without accounts or subscriptions. It is intended for users comfortable with an in-development tool and the listed model and UV preparation guidance.

Verdict

MeshCoat provides focused local texture painting with layered editing, procedural effects and common 3D model imports. Its in-development status and PNG composite export define the current limits.

Where Specifiction places it

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