https://threejs.org/examples/#webgl_materials_variations_toon https://steemit.com/utopian-io/@clayjohn/learning-3d-graphics-with-three-js-or-dynamic-geometry https://stemkoski.github.io/Three.js/Metaballs.html https://stemkoski.github.io/Three.js/ https://threejs.org/examples/#webgl_refraction svg 2 three https://github.com/mattdesl/svg-mesh-3d https://github.com/Jam3/three-simplicial-complex