! A 75 degree apex prism
! FSI Jan 31, 1999

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

! back face vertices
V 5  1  1.5716 0.6746
V 6 -1  1.5716 0.6746
V 7  1  1 2.6064
V 8 -1  1 2.6064

! Front face rectangle
R 1 2 4 3 0

! Back face rectangle
R 5 6 8 7 0

! Top rectangle, note this is reflective
R 3 4 6 5 1

! Bottom rectangle, note this is reflective
R 1 2 8 7 1

! left side rectangle
R 1 3 5 7 0

! right side rectangle
R 2 4 6 8 0

