gfx_voxel::cube::QUADS

pub const QUADS: &'static [[usize; 4]; 6] = &[[1, 0, 5, 4], [7, 6, 3, 2], [0, 1, 2, 3], [4, 5, 6, 7], [5, 0, 3, 6],
  [1, 4, 7, 2]]

Cube faces (clockwise).