Brush v0.3.0

Brush is a lightweight drawing and painting app built for creating sketches, illustrations, annotations, and quick visual ideas. Depending on the platform version, it may support stylus input, pressure sensitivity, layers, and export functions while maintaining a minimalist interface.

Brush is a simple digital drawing and painting application designed for users who want a clean and accessible creative experience without the complexity of professional art software. It focuses on fast sketching, basic painting tools, and an easy workflow that works well for casual artists and note takers.

Unlike advanced creative suites, Brush prioritizes simplicity and ease of use.

Download Brush v0.3.0 - Software Mirrors

Download Brush v0.3.0
brush-app-aarch64-apple-darwin.tar.xz | 39.53 MB

Download Brush v0.3.0
brush-app-x86_64-pc-windows-msvc.zip | 151.44 MB

Download Brush v0.3.0
brush-app-x86_64-unknown-linux-gnu.tar.xz | 42.19 MB

Download Brush v0.3.0
source.tar.gz | 46.57 MB

Brush v0.3.0 Release Notes:




-- Massive thanks to @GradeEterna for the beautiful scenes


Brush 0.3 is a massive update to bring high quality splats to all platforms, while training faster, and bringing a ton of new features!
Brush now trains using the "MCMC" splatting technique, but, with its own variation that still grows splats automatically. This keeps the best of both worlds: splats grow first where they are needed, yet explore the scene like in MCMC, to improve quality. This table has some preliminary results. You can set a limit of the maximum number of splats like in the original MCMC. Training works especially better on large scenes where not all views are visible from all angles. Training now also supports massive datasets bigger than RAM and starts instantly.
The web version also gains a lot of new features, with fullscreen modes, efficient file loading, directory loading, bundler integration, NPM compatibility, and faster training. Training on the web is not nearly at feature parity with the desktop version.

Release Note Highlights:


Training
  • "MCMC like" training. Higher quality and more robust. Still grows splats automatically like previous methods, while also allowing a maximum nr. of splats cap. For a more detailled write up, see this PR
  • Train on datasets bigger than RAM. Only up to some amount of gigs are cached, other files are loaded by the dataloader while training. [1]
  • Start training faster [1]
  • Training bounds are now based on the splat bounds instead of the camera bounds [1] [2]
  • Always use init.ply as the init for the training if it exists [1]
  • Prefer colmap datasets over nerfstudio, fixes import if your dataset has some random json in it [1]
  • Use a separable convolution for SSIM [1]
  • Lots of other tweaks to the training dynamics, bug fixes, version bumps etc.

UI
  • The UI has gone through some redesigns to be cleaner and easier to use
  • Add a grid widget [1]
  • The arrow keys now rotate the model and move it up/down. Combined with the grid this is helpful to align the ground. [1]
  • Press 'F' to toggle fullscreen mode [1]
  • Add play/pause button when playing a splat sequence [1]
  • Add a FOV slider [1]
  • Settings UI panel when loading a new dataset [1]
  • Hide console on windows [1]
  • Add background color picker [1]
  • Add a slider to scale splats [1]
  • Reduce atomic adds to improve the speed of the backward pass [1]
  • Improve accuracy of training steps/s thanks to @fhahlbohm [1]

Import/export
  • Support SuperSplat compressed ply format [1]
  • Support r/g/b as color names in ply files [1]
  • Sort files properly in zip directories for sequence playback [1]
  • Fixed file case sensitivity issues [1]
  • Allow double floats in plys [1]
  • Swap out the PLY importer/exporter for my own. Speeds up import about 5x [1]

Web
  • You can now pick directories on the web, not just individual files [1]
  • More efficient file reading on the web [1]
  • Improved interop with JavaScript, see the example for some of the available APIs. [1]
  • The web parts of Brush now use WASM modules compatible with bundlers, eg. with the demo now using Next.JS [1]
  • Add a panel showing various warnings that might happen [1]
  • Add touch controls for the viewer UI [1]
  • Add dwarf debug info for the Web [1]

Other
  • Add number of splats to CLI output [1]
  • Improve compile times. Clean builds are ~1.5 minutes on my macbook
  • Lots of bug fixes & version bumps
  • Add example docker file [1]

Download brush-app 0.3.0


| File | Platform | Checksum |
|--------|----------|----------|
| brush-app-aarch64-apple-darwin.tar.xz | Apple Silicon macOS | checksum |
| brush-app-x86_64-pc-windows-msvc.zip | x64 Windows | checksum |
| brush-app-x86_64-unknown-linux-gnu.tar.xz | x64 Linux | checksum |

Key Features of Brush

  • Simple Drawing Tools
    Brush includes essential drawing features such as pencils, brushes, erasers, shapes, and color controls for quick creative work.

  • Lightweight Interface
    The interface is uncluttered and beginner friendly, making it easy to start drawing immediately without extensive setup.

  • Stylus Support
    Many versions of Brush support stylus and touch input, helping improve sketching precision on tablets and touch enabled devices.

  • Quick Export Options
    Users can save or export artwork into common image formats for sharing or editing elsewhere.

  • Fast Performance
    Brush is designed to launch quickly and remain responsive even on lower powered devices.

User Experience

Brush is approachable and easy to understand, especially for beginners and casual users. The minimalist design helps users focus on drawing instead of navigating complicated menus.

However, professional artists may find the feature set too limited for advanced illustration, animation, or high end digital painting workflows.

Performance and Compatibility

The application generally performs smoothly due to its lightweight design. It works well for quick sketches, educational use, and simple visual tasks.

Compatibility varies depending on the specific Brush version and platform, but lightweight drawing apps like this are commonly available across Windows, Android, and tablet environments.

Pros

  • Simple and beginner friendly

  • Lightweight and responsive

  • Good for quick sketches and notes

  • Easy to learn

  • Works well on lower end hardware

Cons

  • Limited advanced art features

  • Basic layer and brush systems compared to professional tools

  • Not ideal for large professional projects

Brush is ideal for students, casual artists, note takers, and users who want a fast and uncomplicated drawing tool. It works best for sketches, brainstorming, annotations, and simple creative projects.

Professional illustrators and advanced digital painters may prefer more feature rich applications.

Brush succeeds as a lightweight and accessible drawing application. While it lacks the depth of professional art software, its simplicity, speed, and ease of use make it a practical choice for everyday creative tasks.

Brush v0.3.0
Free
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Software Informations:
Developer:

Operating System:
Windows / macOS / Linux
Date Added:
2026-05-13T13:16:45.241Z
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