Precision Tuning your Shapeoko 3

The numerous degrees of freedom in the Shapeoko that allow you to build it as a kit, are also places where error can be introduced. In this video, I’ll go through the steps I took to restore as much precision as possible to my CNC machine.

For those of you looking for the simple spindle squaring tool I made, see below. This is an Inkscape SVG so set your DPI to 90 (file should be approx 4 x 0.75″). If your Shapeoko has backlash and the internal features are too tight, use a 1/4″ drill bit to basically ream it out to 0.250″. Cut with a 1/8″ endmill, preferably from stock of thickness 1/2″ or greater.

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