Instrument Knob, high torque, parametric

An instrument knob that is easy to grip to get a good twist. Parametric on all sizes, with test print

Gadget

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    Description

    We needed some replacement knobs at work for some VGA A/B switches in conference rooms. The knobs the switches came with were junk and broke long ago. I decided to design a knob that would NOT break. This is that.

    There's a bunch of comments around the parameters at the top of the SCAD. You should be able to make this fit any situation you need. Setscrew is selectable on/off. Set "testprint" to 1 to generate a small circle with the shaft hole in it to print and see if it will fit your shaft before you bother printing the whole thing.

    Materials and methods

    -printed part
    -nut and grub screw if desired (included STL/SCAD is for 6-32 nut and grub screw)

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    Comments

    8f7a9de62a676f5b03d7641c291ded54?default=blank&size=40VeoNinja added this to the Screws, Adapters collection ago
    C6bb61fe38c9e9027d707b0d0dccae45?default=blank&size=40BGham added this to the Interesting collection ago
    9e9f7b586c47c5c88b0abc134983a517?default=blank&size=40Jason Stokes added this to the Hardware collection ago
    Ae4f761f4808ed9092e6e90ac921961e?default=blank&size=40drblk added this to the Print!! collection ago
    4d3fab1519e6cafb99720c9a9e6f48b1?default=blank&size=40ymcc3d added this to the Knobs collection ago
    Mini photoJohn Ridley published this design ago