Stich and unwrap CAD model?

[Anonymous]

Hi there,

I want to texture my CAD (surface) model in Mudbox, in order to get some realistic renders, but before that I need to convert it to polygons and unwrap. How can I do it? 

This is the file that I'm working on straight from Solidworks. https://www.dropbox.com/s/cmc1uzy80srmj63/speaker.IGS?dl=0 (35 MB)

As you can see in outliner, it has got groups of surfaces, one for each body. I need to join them first into a solid and then convert the solid into a good-looking mesh. And then unwrap it, but that's the least problem here. Is that something possible with Maya? Or 3ds Max, maybe?