About this 3D model

Stepstruder MK6 increased the amount of fans.30mn × 30mm 12V 0.05A × 3Power consumption is about the same as the original.From the left and right, so cool, I think a good efficiency.I will also experiment temperature.This holder, which I uploaded before,"DC Fan holder" is thought-up to the advice from everyone.http://www.thingiverse.com/thing:7844Thank you.