![Did I install my Noctua fan the right orientation? is the fan supposed to draw heat or cold air? Also another question I just got a feeler gauge what thickness should I Did I install my Noctua fan the right orientation? is the fan supposed to draw heat or cold air? Also another question I just got a feeler gauge what thickness should I](https://preview.redd.it/7fe16ugw8xp71.jpg?width=640&crop=smart&auto=webp&s=76156035af8438f5e64def20175a9366d743bfb8)
Did I install my Noctua fan the right orientation? is the fan supposed to draw heat or cold air? Also another question I just got a feeler gauge what thickness should I
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Amazon.com: Official Creality Ender 3 Fan Upgrade 4010 Fan 24v Set(3PCS),40x40x10MM DC 24V Extruder Hot End Fan and Axial Cooling Fan for 3D Printer, Turbo Fan for Ender 3/Pro/Ender 3 V2, Ender
![Noctua NF-A4x20 12V FLX or PWM, Premium Quiet Fan (40x20mm, Brown) For MeanWell PSU Upgrade - Smith3D Malaysia Noctua NF-A4x20 12V FLX or PWM, Premium Quiet Fan (40x20mm, Brown) For MeanWell PSU Upgrade - Smith3D Malaysia](https://www.smith3d.com/wp-content/uploads/2021/10/54f731665262d16c67c67e1401a59626.jpg)
Noctua NF-A4x20 12V FLX or PWM, Premium Quiet Fan (40x20mm, Brown) For MeanWell PSU Upgrade - Smith3D Malaysia
![High Quality Noctua NF-A4x10 FLX Silent Cooling Fan 40X40X10mm 4500 or 3700 RPM 4010 For Ender-3 Ender-3Pro - AliExpress Computer & Office High Quality Noctua NF-A4x10 FLX Silent Cooling Fan 40X40X10mm 4500 or 3700 RPM 4010 For Ender-3 Ender-3Pro - AliExpress Computer & Office](https://ae01.alicdn.com/kf/H441b65d715e44b4b89cec439130d0c02v/High-Quality-Noctua-NF-A4x10-FLX-Silent-Cooling-Fan-40X40X10mm-4500-or-3700-RPM-4010-For.jpg_.webp)
High Quality Noctua NF-A4x10 FLX Silent Cooling Fan 40X40X10mm 4500 or 3700 RPM 4010 For Ender-3 Ender-3Pro - AliExpress Computer & Office
![Amazon.com: Canadian Local Seller-Mech SolutionsCreality Original 4010 Blower 40x40x10MM 24V DC Cooling Fan and 24V Circle Fan for 3D Printer Parts Ender 3/Ender 3 Pro : Electronics Amazon.com: Canadian Local Seller-Mech SolutionsCreality Original 4010 Blower 40x40x10MM 24V DC Cooling Fan and 24V Circle Fan for 3D Printer Parts Ender 3/Ender 3 Pro : Electronics](https://m.media-amazon.com/images/I/61L6V6EIE0L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Canadian Local Seller-Mech SolutionsCreality Original 4010 Blower 40x40x10MM 24V DC Cooling Fan and 24V Circle Fan for 3D Printer Parts Ender 3/Ender 3 Pro : Electronics
![40mm Noctua for the hotend, 80mm for the mainboard and 120mm for the PSU. That is all for today. : r/ender3v2 40mm Noctua for the hotend, 80mm for the mainboard and 120mm for the PSU. That is all for today. : r/ender3v2](https://preview.redd.it/jyfp0knml0e51.jpg?width=4032&format=pjpg&auto=webp&s=d16c5336b6f3c8a5993d3f24a861d3de8cfa741a)