This wallmount is for standard Master System controllers. See my design list for wallmounts for other controllers

• Cable area behind the controller. You can either wrap the cable around the holder, or use a cable tie and just insert the bundle behind the controller

• Countersunk screw holes

OnShape Model
https://cad.onshape.com/documents/5fe1f30816896bb9072e664b/w/a1007a099f2ad4df1b6bc917/e/965cc4bc9930746b089f8ce3