On Land

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At Rill Architects we run ArchiCAD on macOS. If you work at Rill, this is your stuff. If you don't, but you work in ArchiCAD, you may find something interesting. Anybody else, I don't know.
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Original here.

You can have a Second Crown above the first one. The Nudge parameter controls the overlap of the two crowns in section. And, a Cap, which is just a block like the base. (Turn all the mouldings off and you have a simple post.) And, a Bead moulding between the panels and the top crown.