PC 21.013
Swirl Step
- L/W
- 100%
- Design RI
- 1.54
- H/W
- 79%
- Gear
- 64
- V/W³
- 0.312
- Symmetry
- 8 (mirrored)
- Facets
- 73
- Tiers
- 11
- Crown
- 8
- Pavilion
- 65
Hartley, David P; Lapidary Journal, Jul 1967, p564;
Wireframe
Pavilion
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 64 8162432404856 | |
| P1 | 65.00° | 64 8162432404856 | |
| P2 | 57.00° | 1 7 915172325313339414749555763 | |
| P3 | 51.00° | 3 51113192127293537434551535961 | |
| P4 | 47.00° | 2 61014182226303438424650545862 | |
| P5 | 41.00° | 3 51113192127293537434551535961 |
Crown
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 45.00° | 64 8162432404856 | |
| C2 | 40.00° | 1 7 915172325313339414749555763 | |
| C3 | 36.00° | 3 51113192127293537434551535961 | |
| C4 | 30.00° | 2 61014182226303438424650545862 | |
| T | 0.00° | 32 |