Allow non-additive modifications

Symbol -
Unit -
Attribute-ID switch_modifications_additive
Numeric ID 12671
Value Type PMBoolean

You can choose to allow non-additive modifications if you only want superposition of the modifications, as shown in the illustration on the right. In this case, the maximum modification always applies via the tooth profile, whereas with additive modification all modifications are usually added together, as shown on the left-hand side.