https://observablehq.com/@fil/h3-oddities https://observablehq.com/@fil/h3-oddities also check out the "gnomonic icosahedral" at H0 from the dropdowns, that's

https://observablehq.com/@fil/h3-oddities https://observablehq.com/@fil/h3-oddities also check out the "gnomonic icosahedral" at H0 from the dropdowns, that's the projection the base hexagonal grid is from, it's a perfectly planar hexgrid on an unfolded icosahedron net.