box b1 40 10 10
box b2 0 0 30 40 10 10
box b3 10 10 40
box b4 30 0 0 10 10 40

bclearobjects
bcleartools
baddobjects b1 b2 b3 b4
bfillds
bbuild r

# fuse of all
buildbop r1 -o b1 b2 b3 b4 -op fuse
buildbop r2 -o b1 b2 b3 -t b4 -op fuse
buildbop r3 -o b1 b2 -t b3 b4 -op fuse
buildbop r4 -o b1 -t b2 b3 b4 -op fuse
buildbop r5 -t b1 b2 b3 b4 -op fuse

foreach r {r1 r2 r3 r4 r5} {
  checkshape $r
  checknbshapes $r -vertex 32 -edge 64 -wire 32 -face 32 -shell 1 -solid 1
  checkprops $r -s 4800 -v 12000
}

# Cut
buildbop r1 -o b1 b2 -t b3 b4 -op cut
buildbop r2 -o b1 b2 -t b3 b4 -op tuc

foreach r {r1 r2} {
  checkshape $r
  checknbshapes $r -vertex 16 -edge 24 -wire 12 -face 12 -shell 2 -solid 2
  checkprops $r -s 2000 -v 4000
}

buildbop r1 -o b1 -t b3 b4 -op cut
buildbop r2 -o b2 -t b3 b4 -op cut

foreach r {r1 r2} {
  checkshape $r
  checknbshapes $r -vertex 8 -edge 12 -wire 6 -face 6 -shell 1 -solid 1
  checkprops $r -s 1000 -v 2000
}

# Common
buildbop r1 -o b1 b2 -t b3 b4 -op common
checkshape r1
checknbshapes r1 -vertex 32 -edge 48 -wire 24 -face 24 -shell 4 -solid 4
checkprops r1 -s 2400 -v 4000

buildbop r1 -o b1 -t b3 b4 -op common
buildbop r2 -o b2 -t b3 b4 -op common

checkshape r1
checkshape r2

foreach r {r1 r2} {
  checkshape $r
  checknbshapes $r -vertex 16 -edge 24 -wire 12 -face 12 -shell 2 -solid 2
  checkprops $r -s 1200 -v 2000
}