RoboKnob for Ultimaker 2
thingiverse
I encountered an issue with the initial knob on my Ultimaker 2, so I decided to swap it out for this one. Here's how to proceed: The hole size is designed for use with larger-printing machines in mind. If it feels too loose, simply insert a folded piece of paper into the hole as an adjustment.
Download Model from thingiverse
With this file you will be able to print RoboKnob for Ultimaker 2 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 RoboKnob for Ultimaker 2.