Spence, Jim; USFG Newsletter, Jul-Sep 1996;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 721224364860 | |
| P1 | 55.00° | 721224364860 | Level girdle |
| P2 | 42.00° | 3 915212733394551576369 | Meet (P1-girdle) |
| P3 | 42.00° | 722448 | Meet (P2-P3-P2) |
| P4 | 40.00° | 123660 | Meet (P1-P2-P2) |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 55.00° | 721224364860 | Fix girdle width |
| C2 | 30.00° | 3 915212733394551576369 | Meet (C1-C1-girdle |
| C3 | 30.00° | 722448 | Meet (C2-C2-C3) |
| C4 | 28.00° | 123660 | Meet (C2-C1-C2) |
| T | 0.00° | 72 | Meet (C3-C2-C2-C4) |