clone or downalod the zip of this git, Unzip the files directly into the Inkscape user extensions folder. Inkscape lists the location of your extensions folder under Edit > Preferences > System.

Restart Inkscape and you're done. if you are just changing the .py you dont have to restart inkscape, but any changes to the .idx will need an inkscape resatrt.

Gcode Panel

Inside Inkscape > Extension > drawbot

Name	Definition	Default	Gcode Result
Drawing On Command	Gcode commande to lower down the Z-axis	`M3`	`M3 S1000`
Drawing Off Command	Gcode commande to upper the Z-axis	`M5`	`M5 S0`
Pen Up Travel speed	Travel speed with Pen Up	`3000`	`G1 F3000`
Pen Down Travel speed	Travel speed when drawing	`1500`	`G1 F1500`
Pen Active Power	command value to lower the pen	`1000`	`M3 S1000`
Pen On Delay	Delay after moving and before drawing	`0,1`	`G4 P0.1`
Pen Off Delay	Delay after drawing and before moving	`0,2`	`G4 P0.2`
X Offset	X-axis offset for plotter start position	`180`	All X coordinates shifted by offset value
Y Offset	Y-axis offset for plotter start position	`0`	All Y coordinates shifted by offset value
Passes	Number of Passes
Pass Depth	relative to cnc milling	`1,0`
Directory	path directory to save your file in absolute
Filename + numeric value	the numeric value increment your file with the same name	`output.gcode`
All Units	Important Be sure to setting everything up to the same unit inside Inkscape - Document Units, Inkscape Units and this output units otherwise it mae some stranges things	`mm`

Custom G-code Header and Footer

Add "header" and "footer" text files without extensions in your destination directory to add custom commands. Don't forget to add a new line at the end of these two files.

If no files are detected the default values are :

Header : G90 ; Absolute positioningon the
Header : G0 Z0 ; Display path inside GRBL Control
Footer : G1 X0 Y0 ; Move to X0 Y0

Credits

20251202 - thanks to love-open-design.com, which we forked and adapted. see upstream

This inkscape extension is adapted from J-Tech-Photonics-Laser-Tool inkscape extension.

Thanks to StuartB44 for his work and infos on Instructables to display GCode inside GRBL Control