Laser square
thingiverse
This is a basic tiny block that you can utilize to line up your items on a laser engraver - or nearly anywhere else.
Download Model from thingiverse
With this file you will be able to print Laser square 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 Laser square.