Iphone 4 wall mount

I wanted to do some time-lapse recording of 3d printing. I thought it might be nice to have a clock in the background, to give a sense of time expended. Of course, I could have just gone out and picked up a cheap clock, but where's the fun in that? I had this old iPhone 4 with a cracked screen that has been laying around for quite a while. So I installed a clock app, disabled all the other iPhone features and made some mounts.

If you find a good (or better) reason to mount an iPhone 4 to