No.1 Right Half Pyramid No.2 Left Half Pyramid No.3 Full Pyramid No.4 Inverted Right Half Pyramid No.5 Inverted Left Half Pyramid No.6 Inverted Full Pyramid No.7 Rhombus Pyramid No.8 Diamond Pyramid No.9 Hourglass Pattern No.10 Hollow Square Pattern No.11 Hollow Full Pyramid No.12 Hollow Inverted Full Pyramid No.13 Hollow Diamond Pattern No.14 Hollow Hourglass Pattern No.15 Floyd's Triangle No.16 Pascal's Triangle