A near off-topic quibble (yes I realise I'm insane): the icosahedron is a poor icon choice for a language called Crystal. https://en.wikipedia.org/wiki/Icosahe

A near off-topic quibble (yes I realise I'm insane): the icosahedron is a poor icon choice for a language called Crystal. https://en.wikipedia.org/wiki/Icosahedral_honeycomb https://en.wikipedia.org/wiki/Icosahedral_honeycomb A rhombic dodecahedron would work better. https://en.wikipedia.org/wiki/Rhombic_dodecahedral_honeycomb https://en.wikipedia.org/wiki/Rhombic_dodecahedral_honeycomb