dial indicator back plate tool holder
thingiverse
This is a versatile back plate for a budget-friendly dial indicator that also features a quick change tool base on its rear. The screw holes for my dial indicator measure 33mm square (46.7mm corner to corner), and the outer diameter of the back plate is 53mm. The back plate sits approximately 6mm away from the tool holder, due to the fact that my base mount has a bolt on the lever that would otherwise obstruct its position. [OnShape document](https://cad.onshape.com/documents/de33ded0fcf7c2443633673d/w/dcf15e40641250eda2965634/e/04fa5613907eb5ac72e5558b) (warning, the CAD is somewhat disorganized...)
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