Cut:

Roof and Post
1--6 1/2" x 3 1/2"
1--1 1/2" x 2 1/2"

Birdhouse squares:
4--2 1/2" x 2 1/2" squares

Hole:
Cut a circle to measure about 2"

Sky:
2--2 1/2" x 3" ( on either side of post)
2-- 3 1/2" x 3 1/2" (either side of roof)
2--4 1/2" x 1 1/2" (on either side of birdhouse)

Roof Assembly
Sew and flip both sides.