A beautiful fluttering paper butterfly. The slightest touch of the box sets the wings trembling.

The model is driven by a simple pendulum linked to the wings. You'll need a few small coins to complete this model.

See Workshop Notes for full details and construction instructions.

This model is a mechanism powered by a pendulum. It can be used as a starting point for your own automata or you can add the cute nodding sheep character included in the download.

See Workshop Notes for details and construction instructions

Visit the new page for this project here

Visit the new page for this project here

Four paper mechanisms to download and make. Learn first-hand how these essential mechanisms work by making your own working models.

Bell Crank
A simple mechanism for changing the direction of a force. 
More details here...
 

Adjustable Crank Slider
Change the geometry of this crank slider mechanism to see how it changes the movement of the pushrod. 
More details here...

Interchangeable Cam Model
Supplied with four easily interchangeable cams and blank cams so that you can create your own design the interchangeable cam model lets you experiment with cam profiles and find out how they work.
More details here...

Worm Gear
The worm gear is used to gear down motion a lot in a small space. This model reduces the turn of the handle by a factor of twenty four.
More details here...

Buy all four models bundled together for the special price of only £10 £8!

Visit the new page for this project here.