Restore Alginate Hand Mold Details

I have several life-cast alginate hand molds that were taken in a hurry, and a few crucial features never transferred cleanly. Whole finger tips are flat, the palm lines are shallow or lost, and the nails lack definition... (Budget: ₹12500 - ₹37500 INR, Jobs: 3D Printing, 3D Rendering, 3D Scanning, CAD/CAM, Casting, Product Design)