The method
IpfcModel2D.ListModels() returns a list of all the solid models used in the drawing.
The method
IpfcModel2D.GetCurrentSolid() returns the current solid model of the drawing.
The method
IpfcModel2D.ListSimplifiedReps() returns the simplified representations of a solid model that are assigned to the drawing.
The property
IpfcModel2D.TextHeight returns the text height of the drawing.