Plastl is a lightweight and user-friendly mesh format converter for dental applications. Built with PyQt5 and powered by Trimesh, it allows you to convert mesh files between .PLY, .STL, and .OBJ formats — efficiently and effortlessly.
- ✅ Batch Conversion: Select multiple files or drag-and-drop them into the app.
- ⚡ Parallel Processing: Converts meshes using multiple CPU cores for blazing-fast performance.
- 🔁 Bidirectional Format Support: Convert between PLY ↔ STL, OBJ ↔ STL, etc.
- 🧾 Intuitive UI: Clean, minimal interface with logging for quick feedback.
- 💾 Compression Insight: Displays space savings after conversion (for PLY output).
- 📂 Integrated Folder Handling: Quickly open the output directory directly from the app.
| Input Format | Supported Output Formats |
|---|---|
.stl |
.ply, .stl |
.ply |
.stl, .ply |
.obj |
.stl, .ply |
👉 Download Plastl Latest Release
Available Platforms:
| Platform | File |
|---|---|
| macOS (Apple Silicon) | plastl-macos-arm64.app.zip |
| Windows | plastl-windows-x64.zip |
| Linux | plastl-linux-x64.zip |
🗂 Unzip the downloaded file and run the app directly. No installation needed.
Plastl is currently not code-signed or notarized. Depending on your operating system, you may need to:
macOS:
- Right-click the .app → Open → Click “Open” again in the dialog.
- Alternatively, allow it via System Settings → Privacy & Security.
Windows:
- You may see a Windows Defender SmartScreen warning. Click “More info” → “Run anyway” if you trust the source.
- Python ≥ 3.8
- PyQt5
- Trimesh
pip install trimesh PyQt5python plastl.py- Launch the application.
- Drag & drop or select mesh files (.stl, .ply, .obj).
- Choose an output format.
- Pick an output folder.
- Click Run – and watch the magic happen!
Inspired by Plaster + STL, Plastl pays homage to the physical dental casts now transformed into clean digital meshes.
Coming soon...
- No preview or mesh inspection (yet).
- May not support some malformed mesh files.
MIT License