Siefert surfaces
by Matthew Wright
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by cayenne
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by cayenne
Siefert surfaces
Seifert surfaces are orientable surfaces whose boundary is a knot or a link. These are instructions for knitting and for crocheting Seifert surfaces.
For more information, see:
http://web.archive.org/web/20100217074929/http://www...
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- Last updated: November 17, 2014 …
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