Rotary Encoder Knob with 6mm Flatted Shaft

Design preview. Rendered from the file, not a photo.

The maker says it fits: 6mm shaft rotary encoder or potentiometer. See the proof

This model is not currently offered as a verified ready to buy print.

Already have the file?

Upload it and we'll quote your print.

Upload your file

Looking for something like this?

Ask the Solution Counter.

Ask the Solution Counter

What it does

6mm diameter with flatted shaft for secure encoder or potentiometer mounting
Customizable design, adjust dimensions to fit your specific application
Printed on demand to your exact specifications
Compatible with standard rotary encoders and potentiometers
Durable 3D-printed construction for reliable volume and control knobs

This rotary encoder knob is designed to mount directly onto a 6mm flatted shaft, making it ideal for potentiometers, rotary encoders, and volume control applications. The straightforward cylindrical design with a flatted connection ensures secure placement without slipping.

Perfect for custom electronics projects, DIY audio equipment, or embedded control panels where off-the-shelf knobs don't quite fit. The design includes adjustable parameters, allowing you to tailor the knob's height and diameter to match your project's exact needs.

Each knob is 3D-printed on demand, giving you flexibility to order exactly what you need without excess inventory.

21k downloads in the maker community. That is interest in the design on the site it came from, not our sales.

What it fits

The maker says it fits: 6mm shaft rotary encoder or potentiometer

That is the maker's word, not a fit we measured. Check the size below against your own.

6mm shaft rotary encoder or potentiometer (model 6mm)From the maker's own listing title, checked 2026-08-13. See the original post

What you get

This design prints as one piece.
Nothing else to print or buy for this to work.

What it is made of

Designs like this print well in PLA. Compare the materials.

Printed plastic is strong for its size, but it is not metal. We have not load tested this design, so we do not publish a weight rating. Keep it out of a hot car and away from open flame.