Raspberry Pi Camera Adjustable Mount
If you are looking for a Raspberry Pi camera mount that is easy to install and could be adjusted from time to time, this accessory might be the one you need.
This kit includes 2 parts of acrylic. It is composed of a holder for the camera and the base of the camera holder.
You could use this by pressing the camera onto the camera holder, the one with the wider hole in the center. Afterward, attach it to the base of the camera holder with your desired position.
You would need 4 screws and nuts for keeping the camera intact with the mount, but it is not required.