[
    [-0.50000000000000011, 0.49999999999999989, 0.49999999999999971],
    [ 0.50000000000000011, 0.500000000023, 0.499999999987873],
    [ 0.50000000000000011,-0.49999999999445, 0.5000000000123],
    [-0.49999999999999576,-0.49999999999999989, 0.500000000000876], # front face 
    [-0.500000000000001, 0.49999999999999989,-0.49999999999999987],
    [ 0.50000000000000011, 0.500000000000000345,-0.500000000000000234],
    [ 0.49999999999999921,-0.500000000000000001,-0.500000000000000022],
    [-0.50000000000000011,-0.4999999999999999002,-0.50000000000000001], # back face
];