Tapered Cylinder 3D Print

I need a file for a cylinder 3D printed on a CR-10 smart pro 3d printer that I own Specifications: - Top diameter: 4” OD, down 8” then taper begins, down to 1”OD then down another 1” to create a nipple... (Budget: $10 - $30 USD, Jobs: 3D CAD, 3D Design, 3D Graphic Design, 3D Modelling, 3D Print Design, 3D Printing, 3D Rendering, Solidworks)