Measuring Crown Angles 5.11

Measuring Crown Angles (5.11)

Diamond cutters use a star gauge to measure the crown angle from the table, which should -- if the stone is accurately cut -- coincide with the crown’s angle to the girdle plane. In cutting, consistent angles and depths, are a must, to end up with acceptable symmetry. This also leaves a table that is dead center and parallel to the girdle plane. Other methods of determining crown angles will be discussed shortly.
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