MIT wants you to change 3D-printed objects after you make them
 

When you 3D-print an object, that's usually all she wrote -- the polymers "die" and prevent you from either adding to your creation or altering its properties. However, things might not be set in stone (or rather, plastic) for not much longer. MIT re...

https://www.engadget.com/2017/01/16/...e-3d-printing/