July Octagon; Charles Covill
- L/W
- 100%
- Design RI
- 1.54
- H/W
- 64%
- Gear
- 96
- V/W³
- 0.216
- Symmetry
- 4 (mirrored)
- Facets
- 57
- Tiers
- 12
- Crown
- 8
- Pavilion
- 49
Covill, Charles; North York FG Newsletter, Jun 1997;
Wireframe
Pavilion
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 96244872 | |
| G2 | 90.00° | 12366084 | |
| P1 | 53.00° | 12366084 | |
| P2 | 44.00° | 96244872 | |
| P3 | 42.00° | 420284452687692 |
Crown
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 45.00° | 96244872 | |
| C2 | 45.00° | 12366084 | |
| C3 | 43.00° | 123254749717395 | |
| C4 | 41.00° | 96244872 | |
| C5 | 41.00° | 1113353759618385 | |
| C6 | 30.61° | 12366084 | |
| T | 0.00° | 48 |