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Re: How to plot a Klein bottle


Sorry -- it turns out that the figure is a Klein bottle, after all.  It's not
at all obvious when you plot it all at once, but it helps to do the plot in
four pieces.  Instead of

	ParametricPlot3D[{f,g,h},{t,0,2Pi,Pi/16},{u,0,2Pi,Pi/16}]

I used

	Do[ParametricPlot3D[{f,g,h},{t,0,2Pi,Pi/16},{u,w,w+Pi/2,Pi/16}],
	   {w,0,3Pi/2,Pi/2}]

to get separate plots for each quadrant with the intersections clearly visible.

Dave Seaman




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