Today’s catch starts with one plain sheet. Markus Kuhn explains why halving an A4 keeps its shape, Print Graph Paper rules it 57 ways from Séyès to a Wulff net, Zhang Yulin folds it to a wedge and cuts every layer at once, and a book of aeronautically tested folds sends it 226 feet.
Markus Kuhn on why A4 is the shape it is
→ cl.cam.ac.uk
57 kinds of paper, from Smith charts to genkō yōshi, printed at true scale
→ printgraphpaper.app
One sheet, folded to a wedge, cut through every layer at once
→ theawesomer.com
Aeronautically tested folds, including a 226-foot record design
→ kk.org