Download and make the Using Levers Zine at the link. This is an updated post after the previous version was lost in a website update! It is free to download for everyone at the link.
This zine is on the subject of levers.
It is packed with all sorts of illustrations and facts belied by its compact size!
The finished zine should be like this where black lines are cut lines, dotted lines are valley folds and dashed lines are hill folds.