Calipers
thingiverse
A set of calipers I designed for working with cosplay headwear measurements. This is scaled for my printer bed size. I've included the FreeCAD project file for those who wish to modify the scale, angle or other aspects.
Download Model from thingiverse
With this file you will be able to print Calipers 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 Calipers.