what size is  super b/a3
A1 Sheet = American size here is a comfort zone of D Size paper = D Size Paper 24â³ X 36â³. A2 as 17inch wide (A2) roll paper (commonly thought of as 17Ã150) A3 as Matte 13â³ x 19â³ (Super B/A3+) at times referred to as A+ due to the metric name A3+ is 13 x 19 inches.