Gravitrax ZipLine Hook
thingiverse
Another hack for the zipline. The zipline is fantastic.
Download Model from thingiverse
With this file you will be able to print Gravitrax ZipLine Hook 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 Gravitrax ZipLine Hook.