**note - out of habit, I posted this over in the SI section, but it might be of interest for anyone learning Houdini:

I came across this pendulum contraption made with bowling balls, and thought it would be cool to recreate it in Houdini.

https://www.youtube.com/watch?v=YhMiuzyU1ag [youtube.com]

After working it out and stumbling a little bit, I felt like this might be good material for another tutorial video. So here's what I put together:

https://vimeo.com/106083811 [vimeo.com]

Apologies for the length (I have trouble explaining things quickly and to the point).

If you'd like to check out the hip file, it's in my other post:
www.sidefx.com/index.php?option=com_forum&Itemid=172&page=viewtopic&t=34208 [sidefx.com]