Flächen im Raum

>	tubeplot ({[0, 0, t, t = -1..0, radius = t + 1],            [0, 0, t, t =  0..1, radius = 1 - t]},            view = [-1..1, -1..1, -1..1],            orientation = [33, 65],            numpoints = 10,            tubepoints = 30);

>	tubeplot ({[0, 0, t, t = -1..0, radius = t^2 + 1],            [0, 0, t, t =  0..1, radius = 1 - t^2]},            view = [-2..2, -2..2, -1..1],            orientation = [112, 107],            numpoints = 10,            tubepoints = 30);

>	tubeplot ({[0, cos(t), sin(2*t),            t = 0..2*Pi,            radius = 0.1]},            view = [-0.1..0.1, -1.5..1.5, -1.5..1.5],            scaling = unconstrained,            orientation = [18, 76],            numpoints = 40,            tubepoints = 30);

>	sphereplot ((1.3)^x*sin(y),             x = -1..2*Pi, y = 0..Pi,             style = hidden,             numpoints = 2000,             color = maroon,             orientation = [-64, -113],             axes = boxed);

>	plot3d ((1.3)^x*sin(y),          x = -2..6, y = -4..3,          style = patchnogrid,          numpoints = 2000,          orientation = [-129, -90],          axes = none);