Interesting, again... Here's a little test. The objects, in this case all spheres, are labelled accordingly and all have the "Thin White Smoke" from the Volumetric Materials library in Vue 4 applied. They were all exported as .OBJ, with no external UV mapping The Vue sphere look best, followed by the Rhino one. I know that the Rhino sphere is UV mapped, because Rhino's .OBJ export automatically is. THe one from Amorphium, which is definitely NOT UV mapped, since Amorphium doesn't do UV's can't even be seen, though I assure you it is there, right above the text. I have no earthly idea what's up with the Poser sphere....