Should you vape smooth your 3D prints

Random video of the day: https://www.youtube.com/watch?v=1it13ZYGax0

Smoothing your prints with acetone vapor was quite the rage just a little while ago. But is it still the preferred technique for post-processing your prints? Why don't 3D printers come with smoothing setups? The answer may surprise you.

And before anyone says 'THF', I've tried that stuff, and while it works it's hard to get a hold of, you have to use a lot more of it, and certain blends of PLA it just seems to bleach instead of smooth. You can read more here:
http://joes3dworkbench.blogspot.com/2015/06/smoothing-pla-part-1.html
http://joes3dworkbench.blogspot.com/2016/01/sailor-moon-pendant-project-part-2-video.html

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All music by Kevin MacLeod (incompetech.com)
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