Use the InsertBase command to determine the insertion base point for the drawing.
The point is used when you insert the current drawing into a drawing or attach it as externally referenced drawing (Reference).
The default insertion base point for a new drawing is the origin of the current coordinate system (0,0,0).
To set the insertion base point for the drawing:
Note: Use the InsertBlock command to insert drawings and the AttachDrawing to attach drawings as References to the drawing.