hobby #244

Cardboard Cam Automata

Build hand-cranked cardboard sculptures in which shaped cams lift paper figures in repeating sequences. Start with two folded birds whose alternating bows depend on cam shape, shaft alignment and followers that occasionally refuse to follow.

Two Paper Birds and a Follower That Stayed Up

An 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 tied to this hobby

Leaving Room for the Cardboard Bird Interval Arithmetic

← all hobbies