I think his point was more to be able to set an 8 1/2 x 11 marquee, then move it around to see how much of your it would actually print, not in blue outline but actually on your plan/detail, etc.
Ohh, got ya. Yea .... that be helpful.
My workaround: I've got a couple of polylines set to a scaled paper size. I drag it for where I want it and then create the marquee inside the polyline.
(Off the topic, but ..I wish we could adjust/stretch marquees like a fill).
Marc Corney, Architect
Red Canoe Architecture, P. A.
Mac OS 10.15.7 (Catalina)
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ArchiCAD 25 (5010 USA Full)