Projective Plane Hat by Nathanael Berglund

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Projective Plane Hat

by Nathanael Berglund
Internet Archive (Wayback Machine)
no longer available from 1 source show
Knitting
Hat → Other
January 2007
US 6 - 4.0 mm
English
This pattern is available for free: PPHat.pdf

Was at http://www.math.gatech.edu/~berglund/OneSided/PPHat.pdf, but now unavailable there.

Preserved for posterity here.

Original pictures also available.

About this pattern
Projective Plane Hat
by Nathanael Berglund
2 projects, in 7 queues
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