Sqa380fan; Your explanation of 1:60 scale choice because of availabilty of true radii at hand now to me seems plausible. I wouldn't have guessed that choice, but it is tuely unique. I once did a hypothetical "futuristic" airliner that melded 1:72, 1:50 and 1:144 parts together plus hand fabricated stuff. It was so wierd that I classified it as a 1:120. Evidently it was liked.
Availability of circle guide radii and elipse templates may keep you from "losing your mind" on future projects (I am not negatively critiquing you, please note) and perhaps your next project will be accomplished within my lifetime
But then, you already know that.
I too had archetecture, industrial design, etc in college, and we (as starving art students) used any media available to save beer money. The results usually were usually quite impressive, but nothing compared with your modeling expertise. Even after some almost twenty years at GM
advanced Design I haven't been so impressed with fine-scale modeling, let alone the media you used.
Someplace, somewhere in my upstairs "toy room" I have some photos of my past efforts (I haven't been actively envolved in fine-scale modeling in some half dozen years) and would be glad to share and post. That is, if I can get wifey to help me figure out how to post photos because I am an old-timer "do by hand guy" and not very computer literate. Thanks for your response, and again, this looks like a "world-beater" project! Kind regards...jack