Design Shed, Garage & Entertainment Area

I want to add a multi-purpose structure to my property that combines a shed, a dubile garage, a man cave and a relaxed entertainment zone under one roofline. A skilton style roof. The atached drawing... (Budget: $30 - $250 AUD, Jobs: 3D Rendering, AutoCAD, Building Architecture, Building Design, CAD/CAM, Civil Engineering, Revit, SketchUp, Structural Engineering)