Tripod ball head for gopro or small camera

Small tripod ball head for gopro or light camera. Camera holder and excenter is recommended to print in PETG. I used 0.2 mm layer height, but for near horizontal surface I changed to 0.1 mm (variable layer height). But this is only for the looks. For functionality it can be 0.2 mm everywhere. I also tested the strength of camera holder.
The test and design steps you can see in this video:
https://youtu.be/7FDuQo9uLME
Depend of the printer, but sometimes the pusher needs some sandpaper work o