The angles of a pentagon are 108 degrees, or 18 from the flat side on the saw. The angle of the cuts for the hexagon is 30 degrees.
To draw a pentagon, you need to be handy with a compass, but you can do a quick Internet search to see how it works.
I just set all the pieces up of the left and a trash can on the right and got into a rhythm. It's important to keep concentrating, and stop for a break when you get tired. All my injuries and close calls were the result of being tired and impatient.
I ripped down the six-way connectors to make the four-way connectors.
And here is the exciting part! Building with geodesics. I can tell already this is going to be tricky, especially doing it alone. Two people wouldn't have enough hands to hold, clamp, adjust and fasten.