Unimesh is the technical term Daz uses for the object files for all the M3/V3 class of figures. The object files are identical in vertex count and order (basicly the same object, but pushed and pulled into different shapes. One mesh for all figures of this type. M3, V3, The Freak, The She-Freak, Ingenue Vicky, Stephanie Petite, David, Dodger's Aeon figures (at PoserPro's), Luke and Laura (Young teens) are all Unimesh figures. Grouping is how the body parts are divided on a figure. Unimesh type figures are divided into two basic types based on the kind of grouping they have. M3 and the Freak have one type of grouping, while the rest have another. Figures that are grouped alike can use the same morphs (with a little work). So V3 morphs can be transfered to SP3 or David, but not to M3 or the Freak (unless you have a morph converter - MMogul has a good one for sale here, and I'm working on one now with more options and channel transfer). It can be a bit confusing. THe general rule is that they all take the same textures, they all need different clothing, and depending on how they're grouped, can share morphs. Side note to Dr. Geep: Have you got a tutorial on the Unimesh? It'd be really useful for newbies, and no one does tuts better than you!