I had a 12' x 5' piece of 1.35 oz per yard white silnyon and made this 1/2 pyramid with beak tarp. The tarp has 2" catenary cuts on diagonal seams and is tight as a drum.
Tarp ground coverage is 33" at each end, 57" wide at the center, and is a 108" long. The tarp weighs 9.7 oz with stuffsack and lines, 3.2 oz for 6 stakes with stuffsack, and 4.7 oz for 52" long .433 easton pole (I am going bicycle touring and will not have hiking poles).
The bug hut weighs 12.0 oz with stuffsack and lines and is 32" wide by 96" long x 44" high. I am 6'2" tall and this bug hut has room to spare. Since the head and foot end of the tarp are close to the edges and let in some spray during heavy rain, I put 10" of silnylon at ground level across the front and 5" along the sides and back for a bathtub floor. I used a 12' x 52" piece of no see um to make the bug hut and 9' x 5' of black silnylon for the bug hut bath tub floor and sides.
With all stakes, poles, etc these two together weigh right at 2 lbs. And I can leave the bug hut at home in the shoulder seasons/winter and bring my 8 oz bivy instead.
All comments welcome.