Mobius strip in SAGE

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Jan 9, 2008, 1:20:02 PM1/9/08

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Hi:

Heres a nice picture of a Mobius strip using the new 3d
graphics in sage 2.9.2:

sage: parametric_plot3d([cos(u)*(1+v*cos(u/2)), sin(u)*(1+v*cos(u/2)),
0.2*v*sin(u/2)], (u,0, 4*pi), (v,0, 0.3),plot_points=[50,50]).show()