The globe packs how the latest world map, AuthaGraph is made of.
An AuthaGraph map is installed in the globe.
assembly kit [S]
Product No. :
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.)