Custom Plastic Bike Headset Spacers

I need 3 headset spacers designs for a road bike. The headset spacer has to fit on top of the FSA headset cap and tapper in to be able to fit under the handlebar like the headset spacer on the pictures... (Budget: €10 - €50 EUR, Jobs: 3D CAD, 3D Design, 3D Modelling, 3D Printing, 3D Printing & Rapid Prototyping, 3D Rendering, CAD / SolidWorks, Mechanical Engineering, Product Design, Prototyping)