Cam-driven dobby mechanisms usually have complex kinematic structures such that it is a challenging task for a developer to kinematically analyze and/or design the system. Usually there exist several links and joints between the input cam and the output links, namely the heald frames of the system. One of the most important tools required for the designer is a method to generate a cam profile when the required motion of a heald frame is given. A usual method for designing a disk cam in a simple cam-follower system would not be sufficient for this case. In this study, we demonstrated a method to design a disk cam for such a complex cam driven linkage system. A commercial software ADAMS is used for the design process. The design process is illustrated through a commercial dobby system of a recent model.