Projective Plane Hat
by Nathanael Berglund
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© Nathanael Berglund

© Nathanael Berglund
Projective Plane Hat
Was at http://www.math.gatech.edu/~berglund/OneSided/PPHat.pdf, but now unavailable there.
About this pattern
More from Nathanael Berglund
- First published: January 2007
- Page created: April 29, 2008
- Last updated: November 10, 2019 …
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