Holding pin
thingiverse
To fabricate one of these gripping pins, first, you have to print out the two required designs. Additionally, for assembly purposes, gather a threaded rod measuring 4 millimeters in diameter, preferably a standard bolt if available. You'll also need three nuts and three washers as complementary components.
Download Model from thingiverse
With this file you will be able to print Holding pin 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 Holding pin.