Here is the Shapeoko 3 XXL MillMage device profile. Under your devices list just click import to select the file and import it in. If you google this machine it will say 838mm x 838mm, I trimmed down the X-axis to 835mm because the machine doesn’t have any more than 835mm to travel.
Shapeoko3xxl_20260225.mmzip (1.6 KB)
So you know what settings I set to build this machine profile…
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Custom GCode
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Set the Connection Type: Serial/USB
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Named Machine, Set Units, Set dimensions, and did not set the zero point configuration (first time you home the machine will set the proper zero point origin but if you were to set it, it would be back right as shown)
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GCode Flavor: GRBL. In this screen under the advanced tab you can turn on other features like tool a tool length probe (or a corner block for material touchoff, Probing documentation: Probing - MillMage Documentation )
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Finish
