heated chamber mod, eliminate abs warping

I put this up on thingiverse: http://www.thingiverse.com/thing:1524781

Allows you to maintain a heated chamber with an accuracy of 1 degree. Uses a combination of a cheap hair dryer ($9), a temperature regulator ($50), and an inlet vent that directs air down and away from the build plate.

50C seems to be an ideal temperature, this is low enough to avoid frying your electronics, but high enough to keep abs from warping.

It's the best mod I've made for my FFCP, virtually eliminates warping, peeling and splitting, even on abs parts that cover the entire build plate.

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