Ultimaker Original Rotary button
thingiverse
This is a drop in replacement part for the ultimaker original. The shaft opening has a draft angle inside and a little chamfer, so it should fit in nicely.
Download Model from thingiverse
With this file you will be able to print Ultimaker Original Rotary button 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 Ultimaker Original Rotary button.