Alberto, Thanks for the reply. I did get most of it done, except for I have one little thing with the "ruled surface". I had put a circle in the center of the hex (polygon) and tried to create a ruled surface between these two. What I get is an self-intersecting surface, with lines crossin...

I am new to Intellicad, and for that nature, pretty new to CAD itself. I would like to create a 3D hex nut with hexagon side and a circular hole drilled thru the center from top to bottom. Is there there a way to "cut out" a portion from a 3D object? For instance, can i cut out a cylinder ...