5mm hex spacer
thingiverse
just created these 5 mm spacers one 5mm and one 5.5 with a 2.5mm hole to allow m3 tap, these are ideal to use in quad builds, and more to the point it saves you a few quid! :)
Download Model from thingiverse
With this file you will be able to print 5mm hex spacer 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 5mm hex spacer.