Image-to-SVG/STL for 3D Prints

I have a folder of original artistic design images that I want to bring to life on my 3 D printer. Each image needs to be cleaned up just a touch—minor smoothing or gentle line thickening only—then converted first to a crisp SVG and finally to a solid, manifold STL... (Budget: $15 - $25 USD, Jobs: 3D Animation, 3D Design, 3D Modelling, 3D Printing, 3D Rendering, Blender, Photoshop, SVG)