>>11344240
Anything that's not plausible to be survivable. I'm also into 3DPD bimbos and the biggest that's has been archived is 10,000cc implants.
That's about a foot in diameter and I don't like those models but they're old and not that pretty.
For anime girls my tolerance is higher since sag isn't a factor but when they would weigh more than the girl they're attached to I don't like it.