ScribbleJ's HYPERVENTILATOR!

Everyone else seems to be putting some kind of cooling nozzle on their print head to make the perfect 20mm single-walled calibration cube. What do they do with the cubes? What is the secret to the single-walled cube that makes it so valuable? I set out to find out for myself.

At first, I'd intended to copy the efforts of my fellow Thingiversians to some extent.

There's the Ducted Cooling Fan: http://www.thingiverse.com/thing:5756
There's the Around-the-Nozzle Cooling: http://www.th