2set duplicate block elements on
6brick x 20 y 20 z 5 #change thickness
8###create camera and "input" elements
9create surface rectangle width 5 zplane #change FOV
10move volume 2 location surface 2 except x y include_merged
11create surface rectangle width 5 zplane #change FOV
12move volume 3 location surface 1 except x y include_merged
20create surface rectangle width 1 height 5 zplane
21rotate Surface 13 angle 45 about z include_merged
22create surface rectangle width 1 height 5 zplane
23rotate Surface 14 angle -45 about z include_merged
26subtract volume 4 from volume 1 keep all
32block 1 add surface 16 17 18 19 20 21 22 23
41volume all scheme tetmesh
46refine surface 18 numsplit 1 bias 1.0 depth 2 smooth
47refine surface 19 numsplit 1 bias 1.0 depth 2 smooth