Roof Redesign & Full Villa CAD

I already drafted the ground and first floors of my three-storey villa in 2-D, but the roof still needs work. You will receive my current pdf files plus a scanned hand-sketch PDF that shows the roof concept I am unhappy with... (Budget: $30 - $250 USD, Jobs: 2D Drafting, 3D Design, AutoCAD, Building Architecture, Building Design, CAD/CAM, Drafting, Structural Engineering)