To create a Solid in the Main Menu select New Entity - > Build - > Solid.
You can create a Solid from a list of shells.
The Result will be a GEOM_Object (SOLID).
TUI Command: geompy.MakeSolid(ListOfShape), where ListOfShape is a list of shells from which the solid is constructed.
Arguments: Name + A closed shell or a list of shells.
Example:
Our TUI Scripts provide you with useful examples of creation of Advanced Geometric Objects.