everyone talks about using bondo to mod there cases and everyone seems to be afraid of it. what exactly is it? thanks. Google is your friend. It's used alot for cars, to fill in holes/deep scratches.

3D prints destined for presentation need smooth surfaces, and that usually means sanding. [Uncle Jessy] came across an idea he decided to try out for himself: spraying Bondo spot putty onto a 3D print ...