How to rip models from unity games?

[RatchetMario]

Sonic Dash. I have the Windows 8 version downloaded to my computer, and I've ripped them.

Yes, the models are .43 models.

That is a good question.
First thing if you need a 3ds Max (I don't know anything with Blender, sorry) and script for import Unity model by Chipicao, you can find them here http://kotschopshop.com/topic/5134976/1/

You don't need to import a single .43 file, just open .assets archive then select a mesh to import. But it's don't read for bones anyway....