Machsupport Forum
		Mach Discussion => General Mach Discussion => Topic started by: Dave flanagan on May 02, 2021, 11:28:28 PM
		
			
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				Hello, im currently running the mach3 demo mode and im trying to route the sample roadrunner, the problem is its routing it to about the size of a pencil eraser, how do I enlarge it?
			
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				Hi,
 I think the RoadRunner Gcode sample program is in inch measurements. If your machine is set to metric
 units the RoadRunner comes out tiny.
 
 Try A G20 at the top of the code, and then run it.
 
 Craig
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				All samples delivered with Mach3 installation are in inches, so, as Craig wrote, edit the code and place G20 at the code beginning, OR use scaling: