# make some boxes hollow
for {set i 1} {$i <= 1} {incr i} {
- set dim [bounding -s b$i -save xmin ymin zmin xmax ymax zmax]
+ set dim [bounding b$i -save xmin ymin zmin xmax ymax zmax]
set dx [dval xmax-xmin]
set x1 [dval xmin+0.1*$dx]
set x2 [dval ymin+0.1*$dx]