In an effort to keep the world happily playing Bags (and drinking), you can download my copy of the blueprints here.

If your saw skills are as poor as mine, I would suggest you let Home Depot make the first two cuts for the 4'x2' top plates. This way, they're be nice and square, not a trapezoid or rhombus or whatever the hell I once learned, but have since long forgot, from geometry class.