iphone tripod out of lego technic parts

I got my daughter to try making stop motion videos but we didn't have a tripod for my iphone so I built an iphone stand out of technic parts. It twists left/right and forward/backward.

programmablebrick.blogspot.com/2013/08/lego-technic-iphone-tripod.html

youtube.com/watch?v=ryAVnZ249z0