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Parametric Circular Shim / Shell / Sleeve / Bushing - Bike handlebar brake handle etc. -  OpenSCAD — image 1
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Parametric Circular Shim / Shell / Sleeve / Bushing - Bike handlebar brake handle etc. - OpenSCAD

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Generate shims with or without lip. For two halves, change opening angle to e.g. 190°

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Creative Commons — Public Domain

Simple parametric OpenSCAD shim with opening angle.

If you don't have OpenSCAD installed, just paste the .scad file content to the OpenSCAD online editor over at https://ochafik.com/openscad/ , adjust your parameters and click 'render' and then 'Download STL' for your customized version.

To create shims that consist of two halves, change the opening angle to around 190° and print two times.

== Parameters ==

length = 18; //length of shim part, not including the lip_length

inner_d = 19; // Wall thickness will be (outer_d - inner_d)/2
outer_d = 24;

opening_angle = 30; // degrees

lip_length = 2; //set to zero for no lip
lip_step = 2; //how much radius to add for the lip

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