Pentwist Cut by John L. McFee
- L/W
- 105%
- Design RI
- 1.54
- H/W
- 70%
- Gear
- 120
- V/W³
- 0.220
- Symmetry
- 5
- Facets
- 51
- Tiers
- 9
- Crown
- 10
- Pavilion
- 41
McFee, John; Lapidary Journal, Oct 1999;
Wireframe
Pavilion
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 6 18 30 42 54 66 78 90102114 | |
| P1 | 41.50° | 6 18 30 42 54 66 78 90102114 |
Crown
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 36.00° | 6 30 54 78102 | |
| C2 | 36.00° | 18 42 66 90114 | |
| C3 | 31.50° | 5 29 53 77101 | |
| C4 | 31.00° | 18 42 66 90114 | |
| C5 | 29.10° | 3 27 51 75 99 | |
| C6 | 21.50° | 12 36 60 84108 | |
| T | 0.00° | 60 |