Prusa MK3 PSU Overkill Cooling Fan Shroud

thingiverse

I was a bit uneasy with the temperature of the PSU on my MK3 so I decided to put a fan on it. The shroud was printed with Colorfabb NGEN orange but PLA works fine too. Slic3r handles all the settings for NGEN (which prints really nice). I used a Noctua 5v PWM fan with a speed controller. You can't tell this fan is even running unless you turn it up all the way and put your face by it. I tapped into one of the 24v feeds at the bottom of the Einsey board and plugged it through a 24v to 5v USB converter. The PWM controller is held in place with a sticky back and the wire is attached to the printer frame with sticky hooks. Everything can be found on Amazon (links below). This thing works so amazingly well that I had to share it. I was printing the new extruder body in PETG and the PSU never went over eyelid temperature. Fan: https://smile.amazon.com/gp/product/B07DXTN515/ref=oh_aui_detailpage_o09_s00?ie=UTF8&psc=1 PWM Controller: https://smile.amazon.com/gp/product/B072M2HKSN/ref=oh_aui_detailpage_o09_s00?ie=UTF8&psc=1 24v to 5v converter: https://smile.amazon.com/gp/product/B01MEF293V/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1 Sticky clips: https://smile.amazon.com/eBoot-Pieces-Adhesive-Management-Holder/dp/B01MTYRVKQ/ref=sr_1_4?s=electronics&ie=UTF8&qid=1536579257&sr=1-4&keywords=stick+on+clips Sticky backs: https://smile.amazon.com/Adhesive-Double-Sided-Dots-Round-Replacement/dp/B07BWSJC91/ref=sr_1_8?s=electronics&ie=UTF8&qid=1536579495&sr=1-8&keywords=sticky+back+adhesive