ParametricPlot3D[ {Cos[v + 1/2Pi*v]Sin[u + 1/2Pi*u]Cos[u]Sin[v] + 1/3Cos[u/2], Cos[u]Sin[v], Cos[u + 1/2Pi*u]Sin[v + 1/2Pi*v] Cos[v]Sin[u] - 1/3Sin[v/2]}, {u, 0, -2Pi}, {v, 0, 2 Pi}, ViewPoint -> {-1.708, -2.391, 1.865}, PlotPoints -> {50, 50}, Boxed -> False, Axes -> None] |
ParametricPlot3D[ {Cos[v]u, Sin[u] v, Cos[u]v}, {u, -Pi, Pi}, {v, -Pi, Pi}, PlotPoints -> {50, 50}, Boxed -> False, Axes -> None] |
ParametricPlot3D[ {2/3u^2 Cos[t],u Sin[2t], u}, {t, -Pi, Pi}, {u, -Pi, Pi}, PlotPoints -> {50, 50}, Boxed -> False, Axes -> None] |