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A booklet which explains a basic method but does not give specific instructions.   

Octohats are made using basic Woolly Thoughts principles. The basic geometric hat requires just one simple division calculation

(which can be done with a calculator). The hat can then be varied in hundreds of different ways, without any further calculations.

See Octohats for photos and more details.


There are six hats in the HyperHat Collection. The patterns are available individually or as a collection.

See Hyperbolic Hats for photos and more details.

Available as individual PDF patterns, or as a PDF collection.

Buy now

Buy now