Professor Motor Controller Knob Panel

The lack of any indication on the controller for what the knobs do, or which way to turn them to increase or decrease a setting continues to confuse even long term users of the controller. This would ideally be a sticker, but I can't make stickers, so I did this.

If you have a printer capable of filament switching, you can use the MMU files and assign colors appropriately. If you don't have such a printer, you can use the EMB (embossed) file and color the raised portions later, or change filament after the first two layers to create contrast.

You will also need to adjust the positions of the knobs. First, turn the knob to one extreme. Using a 1.5mm hex key/driver, loosen the set screw on the side of the knob (opposite the pointer) and then align the pointer to the appropriate tick on the dial (MIN or MAX) before tightening the set screw. It should then be able to turn the other way and end up on the opposite tick on the dial. 

The MMU models are 1mm tall, and the EMB model is .8mm tall in total. You can scale/resize the Z axis as desired to make them thinner or thicker. The holes in the panel should have enough gap for the knobs to turn easily within them.

Use CAD or the TEXT tool in your Slicer to add personal features like a name or logo.

Attach the print to your controller with double sided tape or glue. 

Update 8/27/24 - Added versions with “BRK” and “SEN” to indicate which knob is which. Less room for customization, though. 

Update 8/28/24 - Added DXF file of line art for LASER or vinyl cutting.