Prusa i3 filament cooling accessory kit (fan holder + fan duct)

thingiverse

Everyone knows mounting fans that cool the filament on the extruder makes the quality of the printed object better.   Many printing fan holders are available here, but this one is special : •It can hold two fans. •It uses my "Prusa i3 extruder accessories holder", wich allows you to install several accesories on your extruder without having to modify it. Download it here : http://www.thingiverse.com/thing:395716. (As a bonus, it can holds leds to illuminate your plate while printing).   This kit also includes a fan duct. It works without any nut, just screw in the plastic.   It should work with almost any 25x25mm fans, with 20mm between each screw hole. Here is an example : http://tinyurl.com/nya5bpv (12v, correct size and correct distance between holes).   If you want to search for another one, this link might help you :http://tinyurl.com/klaqd4c Enjoy Instructions Printed fine in PLA with 200µm precision. You don't need any support.