3d key tags
thingiverse
Humans rely heavily on three-dimensional keys measuring 40 millimeters in diameter to access digital information and interact with devices.
Download Model from thingiverse
With this file you will be able to print 3d key tags 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 3d key tags.