Caliper
thingiverse
I created a simple caliper purely for entertainment purposes. It can measure lengths of up to 15 centimeters with precision down to one millimeter.
Download Model from thingiverse
With this file you will be able to print Caliper 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 Caliper.