Hooks
thingiverse
Here are some models that you can unload for hooking perforated pannelis panels, ideal for use with tools like the one described below. The material used to create them is a high-quality PLA. I've also included a link to the hooks so you can see how much you'll save by using them.
Download Model from thingiverse
With this file you will be able to print Hooks 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 Hooks.