chain link
prusaprinters
can be placed straight into your slicer and scaled accordingly. each end is cut a bit to allow easy access to link and unlink chains.
Download Model from prusaprinters
With this file you will be able to print chain link 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 chain link.