True true, but honestly, i think bryce can go very, very, very far! The parametric way of handling geometry seems to work in bryce's advantage. Where poly renderers mighr cripple at millions of polygons or tens of thousands of objects, bryce seems to barely show a hint of struggling. If anything the memory of the system is going to be the limit. I assume you save different parts of the train to different scene files to keep saving times low and to keep corrupted files to a minimum? I doubt many people have reached bryce's limits as far as complicated models go. I've been up around half a billion polygons and my system didnt show signs of weakness. I think if bryce doesnt buckle due to corrupted files, you can push this thing further then many people think is possible!

If you like detailed models you should check out cg-cars.com, there are some people there that build cars to insane detail! I saw a guy building some american hotrod car (i forgot which model..) and he literally built the entire chassis, the suspension, steering, engine, transmission, exhaust system, interiour, everything! Including parts inside the engine and such. I think it might be inspiring! At least i know i find it inspiring, and your project with this train reminds me of some of the work of a few insane people over at that site.

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