Currently it is 18" x 30" with 12" of nylon between the noseeum and the hammock edge. I kept it 12" off the edge because I didn't want the stresses associated with the edge to be directly on the noseeum. However, with the openings on both sides, that is probably not a real issue.
The single grosgrain loop at the top edge of the noseeum, for suspending the net to the tarp or hammock ridgeline, plus these suggestions, keeps the Survival Hammock simple, but functional in three modes. I can't wait to test it in "bugnet hammock" mode, with the noseeum suspended from the hammock ridgeline!
I'll make one today and post another video.