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0 pointsmcherm8y ago0 comments

There are lots of projects that do this (implement a Klein bottle with a crossing).

0 comments

Even my dad has knit several Klein bottle hats for fun, inspired by one of those projects. I got one as a Christmas present.

j / k navigate · click thread line to collapse

Even my dad has knit several Klein bottle hats for fun, inspired by one of those projects. I got one as a Christmas present.

j / k navigate · click thread line to collapse