Oculus Rift Sensor (CV1) Ceiling Mount

Easy to use. Friction fit that still allows you to rotate it by hand with some resistance. There's chamfering built in to be secured with two small flat-head screws. No supports or anything fancy required to print.

You may also be interested in https://www.thingiverse.com/thing:3139124 which is a smaller remix of this file by CPU_TIPS that I actually aesthetically like better in most room layouts and is probably better for smaller printers.