Upgrade for PLA printing: PP3DP Up plus 2 extruder stepper motor cooler

thingiverse

Here is the original text again. I recently identified a hot air circulation system so I built an air duct for my stepper motor cooler: http://www.thingiverse.com/thing:390993. Although it's not particularly pretty, nor especially 3d-printing friendly, this duct effectively works to its intended purpose.\n\n\nInstructions are essential for using the duct efficiently and to guarantee that you are achieving the best results.\n\nRequired support must be applied when building this product.