High-Detail Artistic Model for Manufacturing

I need a production-ready 3D file—STEP or STL—that captures an artistic design in very fine detail. The model will go straight to a manufacturer, so clean geometry, watertight surfaces, and industry-standard tolerances are essential... (Budget: $2 - $8 USD, Jobs: 3D Animation, 3D CAD, 3D Design, 3D Modelling, 3D Printing, 3D Rendering, Fusion 360, Solidworks)