chip clip
thingiverse
This is a chip clip I fiddled with. Instructions I drilled a hole through the 4 pegs and inserted a paper clip. In retrospect, I made it a lot larger than I needed. The width especially was overkill.
Download Model from thingiverse
With this file you will be able to print chip clip 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 chip clip.