High Detail Character STL Creation

I’ve got a single reference image of a character-style figure and I need it converted into a clean, watertight STL that preserves every small feature. The final print is meant for functional use, so the mesh has to stand up to real-world handling, not just sit on a shelf... (Budget: ₹600 - ₹1500 INR, Jobs: 3D Animation, 3D CAD, 3D Design, 3D Modelling, 3D Printing, 3D Rendering, 3ds Max, Blender)