data = ({
"vertices": [[-0.5, -0.5, 0], [0.5, -0.5, 0], [0.5, 0.5, 0], [-0.5, 0.5, 0], [-0.3, -0.3, 1], [0.3, -0.3, 1], [0.3, 0.3, 1], [-0.3, 0.3, 1]],
"faces": [[0, 1, 2], [0, 2, 3], [4, 5, 6], [4, 6, 7], [0, 4, 1], [1, 4, 5], [1, 5, 2], [2, 5, 6], [2, 6, 3], [3, 6, 7], [3, 7, 0], [0, 7, 4]]
})