stl.partsA free, growing library of customizable shapes for 3D printing and CNC machining.
Discover numerous STL objects and configure their dimensions with a user-friendly interface. You can also contribute your own creations.
56 Customizable Shapes
Shapes are JSCAD designs that can be configured to create parts for 3D printing and machining.
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6 Predefined Parts
Ready-to-use parts derived from shapes that can be downloaded and 3D printed or machined.
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Shape configurations and your work in the editor can both be exported as JSON files. You can open JSON files from your local file system here.