3D Topographic Maps of US States
thingiverse
These are individual STLs of the topography of each US state, derived from USGS data and projected using the Lambert Conformal Conic projection. They've been scaled so that sea level is 1/4" of thickness, the maximum height in the continental US is 3.25", and put together would form a map about 7' wide and 4' tall. Each state has been simplified to an STL file with 10,000 facets to enable easy slicing or cutting. More details about how these files were generated is at https://imgur.com/a/fMy19.
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