Flat Shape

base x top x slope
10" x 6" x 6"
12" x 7" x 7"
14" x 8" x 8"
16" x 9" x 9"
18" x 10" x 10"
19" x 10.5" x 10.5"
20" x 11" x 11"
22" x 12" x 12"
24" x 14" x 14"