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Thread: What is G29 used for?
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06-29-2014, 07:40 AM #1
G29 is like the G28 command except on steroids. It probes multiple points on the bed and then uses that information to find the normal vector to the X & Y axis. It produces a 3 x 3 bed correction matrix that can be used by all the movement routines. When a specified coordinate (vector) in the GCode is multiplied by the correction matrix it produces a new coordinate in the new space that is properly located given the bed might not be flat.
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05-27-2024, 01:15 AM in General 3D Printing Discussion