Ruler
thingiverse
Print an 8cm ruler via your chosen 3D printer, such as MakerBot. Ensure that the device accurately renders objects at a 1:1 scale by examining the printed ruler's measurements.
Download Model from thingiverse
With this file you will be able to print 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 Ruler.