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🍩 Topology of Surfaces and Euler Characteristic: 2D

Fundamental polygons of surfaces with live vertex, edge, face counts, Euler characteristic and orientability.

Geometry2DModerate60 FPS📱 Mobile-adapted⇄ 3D version

⚙ Under the hood

Fundamental polygons of surfaces with live vertex, edge, face counts, Euler characteristic and orientability.

topologyEuler characteristicgenus

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install