Dual SCSI port fan duct

An old server PC case had openings for dual SCSI ports (full-sized 50-pin connectors) and not enough cooling for modern components.  Solution: remove the knock-outs for the SCSI ports and snip the center section between them, then install this fan duct.  This duct could also be useful with re-purposed external SCSI drive enclosures.

The 80mm fan .step file uses #4-1/2 sheet metal screws that self-tap into plastic, and the fan is offset slightly (Y - 8mm) to allow better fit. Print this with something heat-resistant, like ABS or ASA.

Created with FreeCAD Link Branch.  In the FCStd file, the fan and screw sizes are parametric.  The fan sketch is on a separate plane from SCSI outlet, so it can be angled and translated to fit.

Released under CC-0 (public domain, no warranty) license.

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Dual SCSI port fan duct