It all depends on what objects you are using.
I don't use the standard Archicad library so can't really comment on the objects there.
But there is a corner window tool that you can use.
If your library has objects that can be used as corner windows they will appear in this tool.
Otherwise your standard window objects may have options for corner situations.
Just turn the required options on and place two separate windows - one in each wall.
Again I don't know if the standard library parts have these options - I work with my own customised windows which have corner options.
Barry.
One of the forum moderators.
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