PC 31.001A
Step Obus
- L/W
- 195%
- Design RI
- 1.54
- H/W
- 88%
- Gear
- 64
- V/W³
- 0.813
- Symmetry
- 1 (mirrored)
- Facets
- 40
- Tiers
- 22
- Crown
- 7
- Pavilion
- 33
Vargas, Glenn & Martha; Faceting for Amateurs (1969) p174;
Wireframe
Pavilion
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 64 | |
| G2 | 90.00° | 2440 | |
| G3 | 90.00° | 1648 | |
| P1 | 61.00° | 1648 | |
| P2 | 61.00° | 64 | |
| P3 | 61.00° | 2440 | |
| P4 | 51.00° | 2440 | |
| P5 | 51.00° | 64 | |
| P6 | 51.00° | 1648 | |
| P7 | 41.00° | 2440 | |
| P8 | 41.00° | 1648 | |
| P9 | 41.00° | 64 |
Crown
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 35.00° | 2440 | |
| C2 | 35.00° | 1648 | |
| C3 | 35.00° | 64 | |
| C4 | 25.00° | 2440 | |
| C5 | 25.00° | 1648 | |
| C6 | 25.00° | 64 | |
| C7 | 15.00° | 2440 | |
| C8 | 15.00° | 1648 | |
| C9 | 15.00° | 64 | |
| T | 0.00° | 32 |