Solo Friday Client Sign-Off

I shot the living room on [day=Tuesday] with the couch pulled into the corner; the client ordered the [sofa=Midline velvet sofa] and the [rug=Arcadia rug] and wants to see them in that exact space before we commit to measurements. I can't tell if the scale looks right from my phone photos, and I'm worried the rug will read too small once printed for the board. Tell me whether this can be done convincingly with the photos I have, what to check first (perspective, shadow anchor, or scale), and the single change I shouldn't cross — I don't want to produce a mock the client will laugh at in the meeting.