This video shows the first stages in my development of 4 legged walking robots. I am experimenting with leg designs at this point. I want to make a rideable horse like version and also a mountain lion-like version of 4 legged walking machines. Part 2: https://www.youtube.com/watch?v=BimUaxLnq0I
Check out my website!: http://www.ourbadscience.com/
If you want that free 2d physics simulator: http://www.algodoo.com/