About this 3D model

just made a quick change to be able to put a 40x40 mm fan in :) description on mounting can be found here: http://www.soliforum.com/post/10438/#p10438 how to controle the fan by gcode and the needed hack on your solidoodle can be found here: http://solidoodletips.wordpress.com/2012/10/26/gcode-controlled-extruder-fan/