PC 41.033
Chapco's Octagon
- L/W
- 157%
- Design RI
- 34.62
- H/W
- 75%
- Gear
- 96
- V/W³
- 0.479
- Symmetry
- 2 (mirrored)
- Facets
- 73
- Tiers
- 19
- Crown
- 8
- Pavilion
- 65
Covill, Charles; The Faceter's Gem, v19 n3 p21, Sep 1985;
Wireframe
Pavilion
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 21276975 | |
| G2 | 90.00° | 3455193 | |
| P1 | 54.00° | 3455193 | |
| P2 | 54.00° | 21276975 | |
| P3 | 51.50° | 23257173 | |
| P4 | 50.00° | 5435391 | |
| P5 | 49.03° | 19296777 | |
| P6 | 46.58° | 1474995 | |
| P7 | 44.82° | 21276975 | |
| P8 | 39.00° | 3455193 |
Crown
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 46.63° | 3455193 | |
| C2 | 39.64° | 1474995 | |
| C3 | 39.47° | 21276975 | |
| C4 | 37.64° | 5435391 | |
| C5 | 37.00° | 23257173 | |
| C6 | 35.73° | 19296777 | |
| C7 | 33.66° | 21276975 | |
| C8 | 30.68° | 3455193 | |
| T | 0.00° | 48 |