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Parametric Lego Fit Test
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Test your printer's ability to make lego-compatible parts with this device!
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Updated at source:
Model information
- Source
- Printables
- Category
- Building Toys
- License
- Creative Commons — Attribution — Noncommercial
This device helps you size the studs and holes on your lego-compatible designs. The feature size increases in a series from left to right so you can find the dimensions to produce a perfect fit.
Want to test a dimensional range outside of the parts provided? Download the OpenSCAD source file and set your own bounds by modifying the following lines of code.

I may update the design in the future to support technic axles as well.