Reply To: surface coverage challenge Home › Forums › All Things LEGO! › surface coverage challenge › Reply To: surface coverage challenge March 22, 2015 at 3:10 pm #10774 TimModerator Twelve 6×8 plates per shelf would do the trick. Dark tan seems to be the best price on Bricklink at around $0.15 per plate. Nine 8×8 plates per shelf would also work. Dark tan seems to be the best price here as well at around $0.18 per plate.