wanhao duplicator i3 Big boy pla cooler

Summarythe latest and greatest in my pla cooler collection for the Di3. i have been testing this for weeks before releasing it . takes a 75x75x30mm 12v blower.(i had a few laying around) but can be bought here: http://www.amazon.com/Brushless-Cooling-HT-07530D12-75x75x30mm-Computer/dp/B00B2ARV22Instructionsi printed in pla . after 2 weeks of 12 hour days of printing @ 210 with heat bed set to 50 and no problems.