PMMA print distortion and inconsistencies
Commercial PMMA may soften already at 85 °C.
The higher you go away from the bed, the colder the air is, so the issues solves itself.
Try lowering the bed temperature, at least to exclude that as cause.
The second cylinder shows the very common issue related to uneven cooling. Probably your part cooling fan is blowing only from one side. Try using a better fan shroud or add a second part cooling fan.