flexi-bot/docs/marlin/_gcode/G053.md

tag	title	brief	author	requires	experimental	group	codes	notes	examples
g053	Move in Machine Coordinates	Apply native workspace to the current move.	shitcreek	CNC_COORDINATE_SYSTEMS	true	geometry	G53	Requires `CNC_COORDINATE_SYSTEMS`.	pre code Rapid linear move to the machine origin in native space G53 G0 X0 Y0 Z0 pre code Rapid linear move to absolute coordinate X20 in native space G53 G1 X20 pre code Use native space G53

G53 applies native workspace to the current move. See G54-G59.3 for workspace coordinate system. In CNC G-code G53 is a modifier. It precedes a movement command (or other modifiers) on the same line. Marlin also accepts G53 on a line by itself as the command to return to the native workspace.