i started with a shark cnc and the post processor puts several comments at the beginning of the gcode file. for instance.
( Keyhole -Y - 1_2x2__1-Keyhole -Y - 1_2x2_ )
( File created: Wednesday September 15 2021 - 02:28 PM)
( for Next Wave Automation from Vectric )
( Material Size)
( X= 5.000, Y= 5.000, Z= 0.500)
( Z Origin for Material = Material Surface)
( XY Origin for Material = Center)
( XY Origin Position = X:0.000, Y:0.000)
( Home Position)
( X = X0.0000 Y = Y0.0000 Z = Z1.0100)
( Safe Z = 0.375)
(.use this for 1/2" keyhole tool path.)
(Toolpaths used in this file:)
(Keyhole -Y - 1/2x2")
(Tool used in this file: )
(1 = T-Slot {1/2 "})
(T-Slot {1/2 “})
(|---------------------------------------)
(| Toolpath:- 'Keyhole -Y - 1/2x2”’ )
(|---------------------------------------)
is there any version of grbl inch that does this? using vetric desktop and longmill 30x30.