Ring Wrenches
thingiverse
7mm and 8mm ring wrenches prove ideal for switching out filament within a home-based three-dimensional printer setup, as does a versatile 13mm ring wrench that offers precise torque adjustment capabilities.
Download Model from thingiverse
With this file you will be able to print Ring Wrenches 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 Ring Wrenches.