Step 1
Download and install the InkCut Extension from the InkCut sourceforge page.
Step 2
Install the following linux libraries :
sudo apt-get install python-gtk2-dev
sudo apt-get install python-cups
sudo apt-get install python-serial
Using InkCut to perform the cut
Step 1
Select the objects you wish to cut
Step 2
Ungroup the selected objects
Step 3
Go “Path->Object to Path”
Step 4
Go “Path->Union”
Step 5
Extensions->Cutter/Plotter->Inkcut v1.0