[gpurkins]

Nice! I had read something similar for a wood workshop here: http://woodgears.ca/dust/air_cleaner.html

Seems to be quite effective.

Also, if you're into woodworking, woodgears is probably one of the best, if not the best on the net.

[lignuist]

I stumbled upon woodgears.ca after watching woodwork Youtube videos. This guy is so awesome.

Here is his 3D Pantograph:

http://www.youtube.com/watch?v=vtm4u583YOQ

http://www.youtube.com/watch?v=iUGkroZus_Y

[Zoomla]

Hopefully that's in addition to a dust collector https://www.google.com/search?q=dust+collector