Circle-Packings/fractal_dimension/circle_counting_new/data/platonic_solids/tetrahedron.txt

{{1.0, -1.0, -1.0, -1.0},
    {-1.0, 1.0, -1.0, -1.0},
    {-1.0, -1.0, 1.0, -1.0},
    {-1.0, -1.0, -1.0, 1.0}}

{{1, 2, 3}, {0, 2, 3}, {0, 1, 3}, {0, 1, 2}}