American-English physicist Freeman Dyson speculated on mega-structures encapsulating a star that could harvest all the energy output of its host : the Dyson Sphere
Nudel has speculated at the planetary scale, inspired by terraforming descriptions of otherwise inhospitable planets in Kim Stanley Robinson’s 2312: gigantic sun shading screens covering an entire planet
Based on Uber’s H3 geospatial indexing system, Nudel created a hexagonal mega grid laid across the face of the Earth
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Flat pack of 122 sided Goldberg Polyhedron
Unlike Buckminster Fuller’s Dymaxion mapping (and Uber’s H3 System too), Nudel’s works off a conventionally aligned Icosahedral Goldberg Polyhedron with a pentagon at the poles and one at zero latitude and zero longitude