An adapter so I can use a noctua fan without issues with a Procurve switch that had some odd mounting pin inside and non standard fan screws.
This part will friction fit over said parts and provide you with a holder for a noctua fan.
More on the misadventures of applying the fan to the switch here: https://youtu.be/ydsol6FM-yw
Technical
0.2mm layerheight
Supports for the fan holder bits
PLA, but other stiff materials like PETG, ASA and ABS will also probably work without issue.