my question is which tool do i use to create things like human body and cars , things that have alot of curves. It really depends on the particular job and very much so on personal preference. Some people only like to model with nurbs & subds, others only like to use polys and (I'm guessing) most people use a combination of the three, even on the same project at times. when i use NURBS surface i cant combine it with polygons and other NURBS surface , its like i feel that NURBS surface is lacking some functions that polygons offer. EP curve produces NURBS surface , am i wrong? Nope, that's correct. Polygons do have a little more to offer in some areas than nurbs do - HOWEVER, nurbs absolutely kick backside when it comes to making a nice smooth-flowing shape with smooth transitions in curvature, which is much harder to achieve in cases with polys. so issit possilbe to sculpt from a raw polygon shape ? pulling vertex and stuff It Certainly is. By making use of the split poly tool, extrude edge, extrude face, bevel, tools (amongst the others, obviously) you can create some amazing stuff. Much like anything - a huge amount of it comes down to experience, knowing how to tackle each individual aspect of a model/project. As an example, I'm less than useless at modelling cars, so far - I've just not done enough of it. But give me a person and I can make something that only half as many of you will laugh at, in next to no time. As you'd know from the cartoon dog and basic human form tutes found on this site, it's not unusual to create the foundation or starting point of a character with nurbs and then convert it to polygons and add extra detail. A really good tute worth doing is this one: Joan of Arc Happy modelling.. -S.