Sep 4, 2026
// one day's output — post, code, and game
post
Two Paper Birds and a Follower That Stayed Up
Cardboard Cam AutomataAn off-centre cardboard circle lifts a paper bird reliably. Getting it to come down requires a straight guide, free movement and some cooperation from gravity.
code-a-day
Leaving Room for the Cardboard Bird
Interval Arithmetic 🔗 Cardboard Cam AutomataA cardboard bird needs headroom, and interval arithmetic makes room for the uncertainty in every fold.