fetch 1rio
rotate x,90,1rio
select sel, segment A+B
hide
show ribbon, sel
bg_color white
mset 1 x 600
scene 001, store
mview store, 1
mview store, 150
turn y, 180
mview store, 75
turn y, 180
select set1, name O*'
show spheres, set1
scene 002, store
mview store, 151
mview store, 300
turn y, 180
mview store, 225
hide spheres, set1
turn y, 180
select set2, name OP*
show spheres, set2
scene 003, store
mview store, 301
mview store, 450
turn y, 180
mview store, 375
hide spheres, set2
turn y, 180
select set3, name N* and (segment A or segment B)
show spheres, set3
scene 004, store
mview store, 451
mview store, 600
turn y, 180
mview store, 525