PartFit 3D is a specialized, free, browser-based utility designed to help 3D printing enthusiasts solve a very common problem: printing oversized models. If you have an STL or 3MF file that exceeds your 3D printer's physical build volume, PartFit 3D allows you to easily orient and cut the model repeatedly into manageable pieces.
Built with a strong emphasis on privacy and convenience, the core tool operates entirely client-side. This means no file uploads, accounts, CAD software installations, or server-side model processing are required. You can check every resulting part against your specific printer build volume and safety margin before seamlessly exporting slicer-ready STL or 3MF files.
No. PartFit 3D is entirely browser-based, meaning you do not need to install any CAD software or create an account to use the core tool.
No. The core tool requires no file uploads or server-side model processing, ensuring your STL and 3MF files remain completely private on your local device.
PartFit 3D allows you to check every resulting part against your specific printer build volume and safety margin before exporting.
The tool supports STL and 3MF files and exports slicer-ready STL or 3MF files once you have oriented and cut your model.
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