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Slow motion control knob for 6 mm shaft — image 1
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Slow motion control knob for 6 mm shaft

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Slow motion controle knob with a 6 mm shaft and a heat insert for 4 mm bolt.

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Slow motion controle knob with a 6 mm shaft and a heat insert.

I wanted a long beefy knob with good grip.

I use this on my Vixen SP DX mount.

There are different versions. Choose what you need.

Version with

  1. 6.5 mm shaft and 4.7 mm hole for a heat insert.

  2. 6.5 mm shaft and 5.5 mm hole for a heat insert.

The grip pattern works best with 0,4 mm nozzle and a layer height of 0,25 mm or less. I printed the black knobs with a 0,6 mm nozzle and addaptive layer height and the small details are a bit lost in the proces.

This is a remix of my own knob made for the Hypatia crayford focusser by Marci for the Hadley telescope.

https://www.printables.com/model/1534376-bigger-replacement-knob-for-hypatia-focusser-for-t

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