3x 120mm 3U fan panel
thingiverse
Printed at low quality 0.28mm using PLA+ with a 30% infill. There are 3mm notches on the side panels with matching insets on the center panel to help align the pieces tightly. The insets have a 0.5mm gap to allow for some wiggle room. The two back pieces aren't required, but help with rigidity if preferred (they are also thinner at 2mm vs 5mm for the main panel pieces).
Download Model from thingiverse
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