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Pavilion

P1 41.00° 84-12-24-36-48-60-72 Create a center point.
P2 90.00° 06-18-30-42-54-66-78 Cut to equal depth - size stone
P3 60.00° 06-18-30-42-54-66-78 Level girdle.

Crown

C1 40.00° 06-18-30-42-54-66-78 Set finished girdle height.
C2 31.00° 03-09-15-21-27-33-39-45-51-57-63-69-75-81 GMP.
C3 14.00° 84-12-24-36-48-60-72 MP@ C1 - C2.
C4 10.00° 06-18-30-42-54-66-78 MP@ C1 - C2 - C3.