I use that with my iphone 4 for architectural-model pictures. works as a cradle or stand. use the + button on the earphones as a remotecontrol.I printed it on ultimaker without any brim or support structure. to use the button (v4.1) a liitle cleaning of the upper gap with a knife was needed.lego compatible: add lego wheels or gears to start stop-motion filming!version v4.1: I added the top-button (susbend/resume/power)Just in case you want to tip me:1C7o7HMLkMkZKSZREF4TFEBYX458cf5xy4(Bitcoin)