A novel approach for 3D modeling was developed. It used form feature to represent the share model, parameterized the form feature, and established its parameter list. Any change of the share model was viewed as the parameter modification of the form feature to modify the parameter list, and the new model was recreated through accessing the log of feature modeling. Based on it, a framework which supports synchronous Internet based collaborative design among members in distributed design teams was presented. It was composed of the 3D share modeling network feature modeling server, feature modeling clients, and the standard communication protocols. All the clients use the same server to maintain the 3D feature modeling, guaranteeing data consistency, keeping all clients uptodate, and managing all communications.