LOGO-L> Slightly different spiral...

["Tom Lynn" <thl22@cam.ac.uk>]

Here's one I did while trying to work out how to fill my orange peel, and 
the spiral thread came up simultaneously...

I think someone else has already suggested the basic method of using 
concentric semicircles, but I don't think we've had a demonstration.  Since 
this is a 2d thing I should really have used the flood-filling commands, 
but I've kind of got used to polystart...polyend now, so it's on a plane in 
3d :)

Tom Lynn
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     File:  spiral.lgo
     Date:  27 Jul 1998, 0:35
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spiral.lgo