Website Administrator Steering Committee Member LDraw Part Author/Reviewer
Registered: 4 years ago Posts: 1,111
If you choose the minifig (lego man) for a scale you'll be looking at an end result of about 1:44 give or take quite a bit (between about 1:35 and 1:60).
For an architectural model at a free scale, I'd pick the detail that is least like LEGO and work out how to do that. That can give you a scale to work from. That's most likely to be a window or a flourish.
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