To make LEGO Luke's lightsaber easier to build out of paper, I've divided it into several different, separate easy to build parts.
Although making it as one big hollow shell would make the "polycount" (the number of pieces in the 3D model) much lower, that's often not the best option when you're only making the 3D model as a tool to make a papercraft model! ;o)
See my papercraft weblog for more "Works In Progress": [link]
I only test built one of the wings and wing support pylons (the right one in this picture) the other one is from the scratch build (I recycled it so it's easier to imagine the completed TIE-fighter ;o)
In this picture, you can really see that the hatch is a bit too flat; I accidentally used the old one for the test build, but I already have a new one. ;o)