![](https://www.robives.com/wp-content/uploads/2017/08/cow1000.jpg)
pendulum
![](https://www.robives.com/wp-content/uploads/2017/08/cow1000.jpg)
![extract](https://www.robives.com/wp-content/uploads/2016/06/mtr200.jpg)
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Pendulum Powered Tortoise to Download and Make
A pendulum powered tortoise model for everyone to download and
![extract](https://www.robives.com/wp-content/uploads/2016/06/bear200.jpg)
Nodding Head Bear. Download and make!
Nodding head bear, another of my paper projects on the
![extract](https://www.robives.com/wp-content/uploads/2016/06/giraffe-b200.jpg)
Adapting the Vertical Pendulum Mech
I'm adapting the Vertical Pendulum mechanism to make a giraffe
![extract](https://www.robives.com/wp-content/uploads/2016/06/giraffe200.jpg)
Modified Vertical Pendulum and Giraffe
Friend of the website and prolific modifier Michael42er has created
![vert-b200.jpg](https://www.robives.com/wp-content/uploads/2016/06/vert-b200.jpg)
![extract](https://www.robives.com/wp-content/uploads/2016/06/vert-a200.jpg)
Vertical Pendulum Prototype
Here's the completed prototype for the vertical pendulum mechanism I'm
![extract](https://www.robives.com/wp-content/uploads/2016/06/gnashers-a200.jpg)