If the whole thing twists it could be held up with 3 tension springs on the base plate that sit inside the glass pressing outwards on it.
See what it feels like if you can gently pull the diffuser directly down, if it feels like a spring (increasing tension but not sudden stop) then its probably this.
If the whole thing twists it could be held up with 3 tension springs on the base plate that sit inside the glass pressing outwards on it.
See what it feels like if you can gently pull the diffuser directly down, if it feels like a spring (increasing tension but not sudden stop) then its probably this.