CTC Prusa i3 DIY Tool Knob
thingiverse
I'm working with the hex wrenches included with the CTC Prusa i3 DIY kit. Combined with the nut fixer (available at https://www.thingiverse.com/thing:2627449), I've been able to fine-tune my heat bed by loosening the wing nuts from above instead of below.
Download Model from thingiverse
With this file you will be able to print CTC Prusa i3 DIY Tool Knob 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 CTC Prusa i3 DIY Tool Knob.