wonder if you can toss the spoons into a rock tumbler full of grit

wonder if you can toss the spoons into a rock tumbler full of grit afterwards, to get rid of the flash?
http://www.youtube.com/watch?v=q9rfr30W09c

I’m sure these are done in powder-based machines. No way ABS/PLA would be able to handle those temps. Nice that it can be done.