Ultimaker rotary dial

thingiverse

If your existing dials don't fit over the rotary shaft, consider creating your own. To do this, repeatedly print a circle with a 3mm height until it fits snugly. Next, add the large wheel and lengthen the shaft as needed. Your custom-made dial should now fit perfectly. If you prefer not to create one from scratch, try using the provided SketchUp file for guidance. However, be aware that a larger nozzle may result in only one perimeter wall being printed, which could cause the piece to snap.