A round cut combining 9 and 10-fold symmetry using an 80 index gear.
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 80 918273644536271 | |
| P1 | 46.65° | 80 918273644536271 | |
| P2 | 42.67° | 3842 | adjusted*** |
| P3 | 42.50° | 2 71116202529344651556064697378 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 33.22° | 80 918273644536271 | set girdle thickness |
| C2 | 25.00° | 514233149576675 | 9-fold set |
| C3 | 25.00° | 40 | |
| C4 | 20.00° | 3149 | * |
| C5 | 20.00° | 40 | 10-fold set |
| C6 | 20.00° | 80 81624566472 | |
| T | 0.00° | 80 | ** |