Butterfly Map

Cartographer and architect Bernard Cahill was the inventor of the octahedral “Butterfly Map” (published 1909; patented 1913). His Butterfly World Map, like Buckminster Fuller’s later Dymaxion World of 1943 and 1954, enabled all continents to be uninterrupted with reasonable fidelity to a globe. Cahill demonstrated this principle by also inventing a rubber-ball globe which could be flattened under a pane of glass in the “butterfly” form and then return to its ball shape.

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