How to Make Hexaflexagons with Vi Hart

The amazing, the brilliant, the ridiculously talented Vi Hart strikes again, this time giving us the skinny on how she creates hexaflexagons. She also offers PDF templates to make these geometric paper models easier for you to accurately fold.

Among the PDF files, Vi even includes a fidget spinner hexaflexagon and a one-page instruction sheet (below) drawn in her trademark illustration style.