Yes, go to Edit->Tools->Split Vertices to do it. This will cause every edge to be hard in Poser. I'm currently coding a routine for UVMapper Pro that will allow you to specify a cutoff angle so that only facets exceeding the angle will have their vertices split. I'm planning on making it work by selection as well so you'll be able to change the angle for different parts of the model. I've also gotten the vertex reorder feature working in UVMapper Pro (in fact, Zygote needed me to reorder Vickie's hair morph target for this weeks freebie =) I'm now making it recognize groups/materials so you can give it an entire model and it will sort out what can and can not be reordered (at the moment it only works on entire models.) More as it develops...