Compared to its early days, 3D CG anime has come a long way. Like these stunning anime that would difficult to replicate in 2D.

A 2D shape could have line symmetry or rotation symmetry, or both! 3D shapes are described by their faces, edges and vertices. The faces can be the same shape or different, and a 3D shape could ...

Uses ThreeJS/WebGL for 3D rendering and either d3-force-3d or ngraph for the underlying physics engine. See also the 2D canvas version, VR version and AR version. And check out the React bindings.