title {POV-Ray CSG Problem}
put {foo.s} arbn N 6 P0 {-1 0 0 1} P1 {1 0 0 1} P2 {0 -1 0 1} P3 {0 1 0 1} P4 {0 0 -1 1} P5 {0 0 1 1}
put {bar1.s} arbn N 6 P0 {-1 0 0 0} P1 {1 0 0 2} P2 {0 -1 0 .75} P3 {0 1 0 .25} P4 {0 0 -1 .75} P5 {0 0 1 .25}
put {bar2.s} arbn N 6 P0 {-1 0 0 0} P1 {1 0 0 2} P2 {0 -1 0 .25} P3 {0 1 0 .75} P4 {0 0 -1 .25} P5 {0 0 1 .75}
put {bar.c} comb region no tree {u {l bar1.s} {l bar2.s}}
put {baz.c} comb region no tree {- {l foo.s} {l bar.c}}
put {baz.r} comb region yes tree {l baz.c}
attr set {baz.r} {color} {255/0/0} {los} {100} {material_id} {1} {region} {R} {region_id} {1000} {shader} {plastic}