How to play

Bind a little book

Align folded signatures and sew through paired holes without trapping or crossing the binding thread.

Play game →

Controls

  1. Align folded signatures and sew through paired holes without trapping or crossing the binding thread. Select and drag parts. Marked outlines show required geometry; the action buttons select tools and test the result. Retry replaces the current material only.

5 levels

Background reading ↗