JGAurora A5 Stepper driver fan duct
thingiverse
I upgraded my stepper drivers to TMC2130 and decided to add some extra cooling to my setup. To do this, I bought a 24V DC 50mm blower fan on eBay for $6.75. The fan is connected directly to the power supply, which made installation simple. I mounted it using M3x20mm screws in standoffs that fit perfectly into the case. (Check out the picture with arrows; note that not all A5 machines may have these mounting points.) There's a bit of extra space under the duct, where a built-in stand fits snugly. To secure it in place, I used hot glue to hold it firmly.
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