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Querying and Changing the Sign (+/-) of a Solid

Verifies and changes the sign of a solid.

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A solid may have either a positive or negative sign. In the solid viewing mode positive solids represent material while negative solids represent voids within positive solids.

Indicate the solid. The system informs you whether it is a positive or negative solid.

State whether you wish to change it. If you reply positively, the sign of the solid is changed.