Camera Mount
I build this mount to attach this Raspberry Pi Infrared Night Vision Camera with infrared spots to a flat surface (an existing pi case in my case). The pi camera should have been adjustable (direction / angle).  
I used some existing models and modified others:
partly used and modified http://www.thingiverse.com/thing:2200231 (had to repair head_front.stl before printing it with Prusa i3 (non manifold faces, zero faces, ...), fixed it with https://makeprintable.com/)
modified https://www.thingiverse.com/thing:2275223 (rpi_cam_stand.stl) and made it a litte bit wider
I build PiNoirCamCaseHolder-ball-mount.stl as a connection between the camera case and the ball mount stand
Attention: The ball mount in this version is a little bit to tight. So i broke the first print while trying to put it into the mount.
I will add a new version very soon. As an alternative you can sand off the ball and use grease to get it into the mount.  => solver in new version (20180104)
UPDATES
20180104:
added strengthening…