|Plus and Minus||
When this toggle is "plus", the Individual, Block, Shape, and Line modes add to the selected facets. When this toggle is "minus", the Individual, Block, Shape, and Line modes remove facets from the selected facets.
|Reduce Selection||"on the fringe" of the selected facets.|
|Delete Selected Facets|
|Delete All except Selected|
|Keep Original||If on, the original mesh element is retained in the model.|