here is the og fireshare
https://www.langmuirsystems.com/fireshare/razorweld-j45h-holder
These are NC to DXF plotting programs
I had use NCPlot v2.34 before my trail expired.
https://www.ncplot.com/ncplotv2/download.htm
This is time I downloaded and tried G-code ripper with some clean up in fusion.
kerf would still need to be allowed for.
https://www.scorchworks.com/Gcoderipper/gcoderipper.html#download
Files below
Torch holder NC to DXF code ripper 1 v1.f3d (800.5 KB)
Razorweld J45H torch holder new G code ripper and f360 projected.dxf (17.5 KB)
@KX9M may have some potential sheetCAM settings for you