Hi everyone,

Just looking to replace my hotend cooling fan with a 40mm Noctua fan. Now I see there are two variants - one which is 10mm deep and one which is 20mm deep. Which one do people run here?

For info, I have an i3 Mk2 style extruder running on an i3-style RepRap DIY printer.

Cheers

Joe

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JK3D Blog - [jk3d.wordpress.com]

I run a 40x10 on a mk8 DD extruder,with no problems.