FreeCAD Automotive PCB Enclosure

I have an automotive-grade PCB ready and need a complete enclosure designed in FreeCAD. The enclosure must be easy to manufacture, simple to assemble, cost-effective, and still look professional on the dashboard... (Budget: €30 - €250 EUR, Jobs: 3D CAD, 3D Design, 3D Modelling, CAD/CAM, Electronics, Manufacturing Design, Mechanical Engineering, Product Design)