Rounder ruler
thingiverse
Measuring Roundness Made Easy with Our Human Ruler From 10mm to 50mm, Our Tool Delivers Precise Results Every Time. Simply Place the Ruler Against the Round Corner and Find the Perfect Fit Curve.
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With this file you will be able to print Rounder ruler with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Rounder ruler.