do you mean like this (attached) . . . set your wall to 'Automatic' and 'Projected
with overhead
'.
if not, you'll have to provide a little more information as to what exactly you're after - it would also be extremely useful to include your machine specs and archicad version otherwise we don't know how to guide you. this feature isn't available in versions prior to AC10 for example . . .
HTH
~/archiben
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