We don’t have any experience with Inkscape Portable, but I’ll see what I can find out.
How and where did you install the EggBot extensions?
Did you install the USB driver for the EggBot (EBB / UBW driver) as well?
Are other extensions working properly?
Are the EggBot extensions that do not communicate with the EggBot working correctly, e.g., Preset Hatch for Fills or Stretch?
