13 1 2 x 20 July 8, 2019 16 32 64 128 13 1 2 x 20 frame 13 1 2 x 20 raker prop 1 2 13 x 1 2 20 stud 20 1 2 x 13 1 8 1 3 x 3.14 x 13 2 x 20 2 x 13 13 × 2 13 x 0
