3brick x 14.4 y 66.74 z 3
5create cylinder height 3 radius 7.2
6move volume 2 location 0 -33.37 0 include_merged
9move volume 3 location 0 -48.37 0 include_merged
13brick x 8.4 y 66.74 z 3
14subtract volume 4 from volume 1
16create cylinder height 3 radius 4.2
17move volume 5 location 0 -33.37 0 include_merged
18subtract volume 5 from volume 1