Add new options to an existing program

We have an existing program that automate our clamp design, we need to add three more clamp designs to the program. We have the existing source code for the program and the project will include the complete new source code after the new clamps designs have been added. Example of working program is attached, the complete source code will available when requested. 1. attached existing program _ attached new clamp info to be added If you need more information please let me know.