Plastic caps to cover sharp bolt ends protruding from the ground or other surfaces. See the blog post for more: https://www.sinisterstuf.org/blog/1643/3d-printed-caps-for-protruding-bolts
With this file you will be able to print Bolt Caps 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 Bolt Caps.