3D printed trailer hitch
grabcad
As a last minute inspiration, I took my previous Trailer hitch model and made some changes so that all the parts (or almost) can be 3d printed. I am not really sure if this qualified as a valid entry, if not please don't mind to let me know.
Download Model from grabcad
With this file you will be able to print 3D printed trailer hitch 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 printed trailer hitch.