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📐 Polyhedra Net Explorer (2D)

Interactive 2D Canvas polyhedron net explorer: watch the real flat unfolding (net) of each Platonic solid, fold it toward its implied 3D shape with face shading, and verify Euler's formula V - E + F = 2 live.

Geometry2DEasy60 FPS📱 Mobile-adapted⇄ 3D version

⚙ Under the hood

Watch each Platonic solid unfold into its real flat net on a 2D canvas. Drag the fold slider to shade the net toward its implied 3D shape, and verify Euler's formula V minus E plus F equals 2 live for the tetrahedron, cube, octahedron, dodecahedron and icosahedron.

polyhedranetunfoldingeuler-formulageometryplatonic-solids

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