Sony VPL-X2000U Manuel D'installation page 36

Installation Examples
Floor installation for triple-stacking
Wall Center of the screen
x
a: distance between the screen and the center of the lens
c: distance between the floor and the bottom of the 1st projector stand
x: distance between the center of the screen and the bottom of the 1st projector stand
36
(GB)
Center of the lens
a
3rd projector
SU-PJ2000 projector
stand
2nd projector
1st projector
c
Floor