Knob for 6mm split shaft Prusa i3 MK3
thingiverse
This knob fits perfectly on a 6mm split shaft. I designed it specifically for my Prusa i3 MK3, as the original dial didn't meet my expectations. The bottom detail closely resembles the knob that came with the printer and provides some flexibility when turned. I printed mine using natural PETG filament and it functions flawlessly. I modeled this design in OnShape, which makes it parametric, allowing you to easily modify the dimensions and create your own custom versions: https://cad.onshape.com/documents/833981ead7f4a94b54fe054a/w/eed89800df96980400f4995f/e/42e7080f8eb9de76a59de3c8
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