MATERIAL sectional globe "earth's axis, 23.4 degrees."

AuthaGraph globe

The globe packs how the latest world map, AuthaGraph is made of.
An AuthaGraph map is installed in the globe.

scale :
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The product three dimensionally reproduces two steps of its projection process from a sphere to a tetrahedron.

By assembling the product you can learn complex geometries of these three polyhedra used for AuthaGraph's projection.

What is AuthaGraph world map?: Same as Mercator map, the AuthaGraph world map shapes a rectangle while it substantially keeps sizes and shapes as Dymaxion map does. (Dymaxion map is a world map invented in 1946 in U.S.)


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