I have try to extrude a normal circel
by writhing extrude select circel first
and pathline lather.It did not work.
I am askin if extrude work at all in
intellicad4 PE+.And if not then.

Thankyou.

yep, works for me as long as I follow a couple rules like 1. Make sure the path doesn't cause the extrusion to cut into itself. In other words, turn to sharp or overlap. and 2. extruded entities must be closed polylines like circles, polygons, rectangles or line segments converted to and joined together with the "PE" command.