I am in grate need of your help friends!!!
I am working on some kind of robot and I need to convert it to sub-d to modify my model with Full Crease and Partial Crease options but when I want to convert my poly model into sub-d nothing is happening. Or if there is another way to make some edges sharp before or after smoothing the model please tell me. Here is picture of what I am talking about, this stomach muscles need to be with sharp edge but everything else needs to be poly smoothed!! Please answer me quickly and thx in advance!!!