On Wed, 12 Oct 2016 12:34:02 -0700, SteamboatEd Haas wrote:

Hey gang I'm making some parts out of delrin; they've got fins on 'em
and when they're cut to length the fuzz is everywhere! I'm thinking of
using my brass tumbler with walnut shells unless someone's got a better
idea. Here's a link to the problem:
https://www.flickr.com/photos/steamb...0108521891/in/
album-72157673545442262/

Ouch! I normally just use a deburring tool or pocket knife, but that'd
be a pia on those. I'd guess the tumbler won't do it, but it doesn't hurt
to try.

Pete Keillor