set $left 'Dell Inc. DELL S3222DGM G1FFT63'
set $right 'Dell Inc. DELL S2721DS D0SVQ43'
set $bottom 'Chimei Innolux Corporation 0x14D4'

output $left {
  scale 1
  pos 0 690
}

output $right {
  scale 1
  pos 2560 0
  transform 90
}

output $bottom {
  scale 1
  pos 0 2130
}