Fan duct for prusa mendel V2 model Heacent 3DP02 (K-extruder)

duct fan to ventilate the peek.
Designed for Prusa Mendel v2 3DP02 heacent the mark on a trolley-type K-Extruder.
If you want me to find the source file on the RepRap forum (http://forums.reprap.org/read.php?110 nickname: pierrelesek)