! A dove prism
! FSI Dec 4, 1998

! front face vertices
V 1 -1 -1 0
V 2  1 -1 0
V 3  1  1 2
V 4 -1  1 2

! back face vertices
V 5 -1 -1 8
V 6  1 -1 8
V 7  1  1 6
V 8 -1  1 6

! Front face rectangle
R 1 2 3 4 0

! Back face rectangle
R 5 6 7 8 0

! Top rectangle, note this is reflective
R 4 3 7 8 1

! Bottom rectangle, note this is reflective
R 1 2 6 5 1

! left side rectangle
R 1 4 8 5 0

! right side rectangle
R 2 3 7 6 0

