Hello I don't know if this will solve your problem, but I've made a python script for maya to transform the locked normals into hard and soft edge. This way when you export again in max the smoothing groups will be there. http://www.creativecrash.com/maya/downloads/scripts-plugins/polygon/c/lockednormals-to-hard-soft-edge…
Hi everyone, did someone tried my script yet? I had this problem that I think I've solve it with the script. The idea is that when you are exporting some object that has smoothing groups on it from max in fbx or obj format, it will come in maya with the normals locked, and if you try to unlock the normals and edit the…