Projectors with mounting plates
Distance to base of object to be between half and full height of the object
a1 = h/2
a2 = h
Lateral offset of up to 30° for spatial effect
For striped illumination use sculpture lens: luminaire spacing - up to 1x offset from wall.
d <= a
Distance to wall: half the luminaire spacing
c = d/2
An odd number of luminaires is preferred