Reply To: Fusion 360 & post processor

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William Adams

About units in mm

(First,I am a beginner, and thank you so much for “MPCNC_Fusion360_V6_SDcard.rar”)

I am looking at my gcode and see this:

;square cut
;T2 D=3.175 CR=0 – ZMIN=-16 – flat end mill
N10 G90
N15 ;Units in mm
N20 G92 X0 Y0 Z0
N25 M84 S1800 ;Change Stepper disable timeout to 30 minutes
N30 G1 Z10 F2000 ; Lift Z 10mm to avoid dragging to first operation

In block N15 it just says “;Units in mm”. There is no G20 or G21. Does Marlin default to mm, or am I supposed to add that in ? I am using mm in Fusion 360.

Thank you in advance, especially if it’s a dumb question.