Here's a good number of architectural landmarks paper models from "did Wallcoverings" - South Korean company that specializes in wallpaper designs for home and office use.
Landmarks include Langdell Hall (Harvard Law School), United Nations Headquarters in New York, Seoul (Korea) Arts Center, and Oslo City Hall (Norway). The rest of the paper models cover the various house styles and building designs from around the world.
Architectural Landmarks Papercraft [Download]
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