1:1 Family
Includes: 4x4, 6x6, 12x12, 20x20
3:2 Family
Includes: 5x7, 10x14, 18x24, 24x32
4:3 Family
Includes: 8x10, 16x20, 24x30, 32x40
16:9 Family
Includes: 6x12, 12x24, 24x48