
Marcel Breuer was an apprentice at the Bauhaus in 1925 when he conceived the first tubular steel chair, the Wassily chair, based on the tubed frame of a bicycle. This 3d chair model you can find here (in 3ds and max format).
Or try download from here
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available in 3dm format for Rhinoceros at http://www.flyingarchitecture.com/bruer-wassily-chair/
You can find it here in 3dm format for Rhino: http://www.flyingarchitecture.com/bruer-wassily-chair/