Share Email Facebook Twitter LinkedIn About solids Solids are groups of connected surfaces that make up a solid model with an enclosed volume. Note: FeatureCAM Ultimate is required for this functionality. You can create solids in FeatureCAM, or import them from CAD modeling systems. Topics in this section Parts of a solid To select a solid To create solids from curves To create solids from surfaces To apply shape modifiers to a solid To prepare a solid for manufacturing To edit a solid Unattached design features Working with invalid solids