4 Way Stop
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| 4 Way Stop – designed by Jeff R. Graham jeff@faceters.com ©2000 | |
|---|---|
| Angles for R.I. = 1.54 | 69 facets + 16 facets on girdle = 85 |
| 4-fold, mirror-image symmetry | 96 index |
| L/W = 1.000 T/W = 0.210 T/L = 0.210 P/W = 0.438 C/W= 0.250 | H/W = (P+C)/W+0.02 = 0.708 P/H = 0.619 C/H = 0.353 |
| Vol./W^3 = 0.278 | Brightness at 0 degrees tilt for R.I. = 1.54 Brightness at 0° tilt COS = 71.4 ISO = 80.1 |
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| Pavilion | |||
|---|---|---|---|
| P1 | 41.70 | Cut to center point. | |
| P2(G) | 90.00 | 02-22-26-46-50-70-74-94 | Cut a level girdle, meet P1. |
| P3 | 40.87 | 04-20-28-44-52-68-76-92 | Cut to center point. |
| P4(G) | 90.00 | 04-20-28-44-52-68-76-92 | Cut to meet P4(G). |
| P5 | 41.00 | 03-21-27-45-51-69-75-93 | Cut to meet girdle. |
| Crown | |||
|---|---|---|---|
| C1 | 62.00 | Cut to meet girdle. | |
| C2 | 62.00 | 04-20-28-44-52-68-76-92 | Cut to meet girdle. |
| C3 | 34.38 | 12-36-60-84 | Cut to meet girdle. |
| C4 | 27.66 | 06-18-30-42-54-66-78-90 | Cut to meet C1,C2,C3. |
| C5 | 57.06 | 96-24-48-72 | Cut to meet girdle. |
| C6 | 25.83 | 96-24-48-72 | Cut to meet C5. |
| C7 | 16.10 | 12-36-60-84 | Cut to meet C3. |
| C8 | 11.51 | 96-24-48-72 | Cut to meet C6,C7. |
| T | 0.00 | Table | Cut to meet C7,C8. |
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