Shim
thingiverse
This is a spacer and can be used between a nut and a bolt or since this can be printed used between two metals of different CTEs to compensate for expansion and or shrinkage.
Download Model from thingiverse
With this file you will be able to print Shim 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 Shim.