Butterfly Valve was made using Solidworks. In this assembly I created different parts like body, shaft, and plate. To create this parts I used different solidwork feature like revolve, mirror. I also used the solidwork feature of HOLE to create standardized holes on the feature. For this part, I also used the screws, and nuts which was provided from the SolidWorks . I also Created the woodruff key in this assembly. Then after, I assembled using the solidworks assembly.