12 x 5 is the plan, 400W EFDL (x3, 4x4 footprint), and a rail (x2 on a mover, going 2ft each way from center) of 200W COB CXA 3070's @ 3000K (spaced 1ft apart, to cover 4ft in length) on each side to extend that footprint to a 5x4. Once I get the lights built, I'll be measuring to make sure I...