The Team Fortress 2 blog has got a great gun tutorial for you from Jalcober. He covers the arcane art of getting a weapon into TF2.This really is a great concise document on the process. He isn't just showing you how to export to an obj here, but rather shows the entire process from start to finish. He even uses Blender as…
Well this is more an overview than a tutorial and I'd rather liked a making of from Laro, but good effort ! Always nice from Valve to advertise on contributors work.