To answer your questions...
- nothing weird
- no...
- Yes...
The only thing I can think of is that it's really huge... (its a model of a city)
Anyway, some updates... in the exact same skp model, it sometimes work and it sometimes doesn't. I've tried to discover what is it that makes it work and what makes it not work, but so far it just seems completely random. There must be something though...
anyway all it really does is to make me save more often which is a good thing i guess