A Prusa LCD Controller Knob in the style of a section of 3030 extrusion (scaled to functional knob size)
In the contest LCD Knobs
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updated April 27, 2026

Description

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Works surprisingly well!  Remixed 3030 Extrusion Style LCD Control Knob for Prusa i3 MK3 printers.  Scaled down from full 3030 size to make a appropriate sized knob.

Print instructions

Download.  Slice.  Print.  Install.

How I Designed This

Remixed existing design, made modifications in OpenSCAD, subtracted my Knob-to-Rotary Encoder Interface - Negative Volume Generator in OpenSCAD.

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Model origin

The author remixed this model.

Differences of the remix compared to the original

merged extrusion cross-section with interface for your printer's rotary encoder knob

License