For those on Shapeoko with a TinyG,

General CNC CNC Routers
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For those on Shapeoko with a TinyG, ChiliPeppr’s Serial Port JSON Server gets better at sending fast Gcode.
http://www.youtube.com/attribution_link?a=s2dRZuf22ZM&u=/watch?v%3DXDXNtsSYccc%26feature%3Dshare