Graphics3D[{{{Line[{{-1., 0, 0}, {0, -1., 0}, {0, 0, -1.}, {-1., 0, 0}}], Line[{{-1., 0, 0}, {0, -1., 0}, {0, 0, 1.}, {-1., 0, 0}}]}, {Line[{{-1., 0, 0}, {0, 1., 0}, {0, 0, -1.}, {-1., 0, 0}}], Line[{{-1., 0, 0}, {0, 1., 0}, {0, 0, 1.}, {-1., 0, 0}}]}}, {{Line[{{1., 0, 0}, {0, -1., 0}, {0, 0, -1.}, {1., 0, 0}}], Line[{{1., 0, 0}, {0, -1., 0}, {0, 0, 1.}, {1., 0, 0}}]}, {Line[{{1., 0, 0}, {0, 1., 0}, {0, 0, -1.}, {1., 0, 0}}], Line[{{1., 0, 0}, {0, 1., 0}, {0, 0, 1.}, {1., 0, 0}}]}}}, {Boxed -> False, ViewPoint -> {100., 100., -100.}, ViewVertical -> {1., -2., -1.}}]