Hi all, I've been lurking here for a while.
Would anyone point where I can find patterns for a standard domeshaped tent with a rainfly?
Regular 2pole design. Domeshaped to shed snow in the winter (4 seasonworthiness would be great). I've worked out the pole lengths based on the diagonal of a 44x80 rectangle (dimensions of my bed :) ). The diagonal is ~91 inches, which I then consider the diameter of the dome, i.e. halfsphere (thus the tent height ends up 91/2 = 45.5 in).
When I think about the shape of the inner tent all I simple patterns I can come up with are a based on a pyramid, maybe, 2segment pyramid at best. And I am at a complete loss how to make a domeshaped rainfly.
For the fabrics I am considering a breathable nylon for the interior, with the bottom made of smth sturdy and waterproof (no idea how to make a bathtub floor, I guess, I will have to go with stitches and tape instead, like a regular parallelogram). The rainfly fabric  I am tempted with Cuben, but I am concerned about how fragile it is, based on what I've read here. At any rate, I would have to make a prototype with smth cheap first.
Since I want to make the tent 4season worthy, and I am intrigued by the flaps that Big Sky uses on their flies, thinking to do the same with my rainfly.
The sewing machine is a basic Singer, may be a few steps up from rock bottom. The threads  may be #50 polyester?
Any advice would be very appreciated
