Ball Chucker (parametric)

If your dogs all like tennis balls, get a Chuck-it.

If your dogs like other kinds of balls and you want to exercise them, a parametric ball chucker tuned for their favorite kind of ball [will save your arm](https://www.youtube.com/watch?v=t10b4rEomKs).

This one attaches to a standard broom handle (or squeegee handle, in my case) using http://www.thingiverse.com/thing:8478

Note that the STL's are tuned to work with very specific types of balls (i.e. the 80mm is for a fairly squishy Hartz