1vclear
2meshfromstl m [locate_data_file b.stl]
3vselmode m 8 1
4vselect 150 100 -xor
5vselect 200 200 -xor
6vselect 250 250 -xor
7vselect 200 100 -xor
8vselect 250 100 -xor
9meshhidesel m
10vrotate -0.9 0 0
11vdump $::imagedir/${::casename}.png
12