Question on Ferrari Modeling Tut.
I'm pretty new to Maya, but have been using LW since the mid 90's. I thought I would start off my Maya learning by going through Robert Scott's Ferrari tut. There is one thing in his work flow which confuses me. After modeling the car with Poly's, converting to Sub-D's and mirroring, he converts from Sub-D's back to polys. Why? Is it for performance reasons? Can someone explain.