17th century German clock and sundial maker Franz Ritter's beautiful gnomonic projection maps and diagrams from 1610 offer unusual world views that can also be used as sundials. From his 1660 book Speculum Solis - Mirror of the Sun. https://t.co/99fGRBAFlC

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ある点で地球に接する平面を投影面とし、球の中心と地球上の投影した点を直線で結び、この直線の延長が投影面に交わる位置に投影する図法。図上どこでも大圏航路が直線で表現可能。ただしその長さは比例しない。
https://t.co/liM6kxfkNe


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Y'ALL, I've been meaning to show off this lad of mine for a while, CatsMcBats is the name >:3 And he's gonna be in both () and he'll even be guest staring in 's Harvest Hero Origins :D!! Go check them out and wishlist them while you're at it :3!!

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shown in the gnomonic projection. Cantellated {5,3}.

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T-minus 12 hours until our GNOMONIC Kickstarter goes live at https://t.co/LBbFYO29z7!
New profile picture courtesy of our artist, !

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shown rotating in the gnomonic model. Catalan tiling dual to truncated dodecahedron.

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