Easy printable. It can be printed without support, because are used max. 45° angles. You can use PLA filament, temp 205-220C-55C, layer height 0.15mm. Size lenght x width x height mm...A 123 x 123 x 120, B 73 x 73 x 100, C 125 x 125 x 99,66,33, D 90 x 125 x 120, E 75 x 75 x 100, F 80 x 80 x 110, G 55 x 55 x 111, H 70 x 70 x 95, I 100 x 100 x 120, J 65 x 96 x 53, K 162 x 63 x 114,93,70 . Thanks for your interest.