HP Z440 (and similar) 5.25inch Drive Finned Bay Cover

Snap-in vented cover for 5.25inch drive bays with vent fins to match the design of the HP Z-series workstations.  

Print with black PETG.  // Print with inside surface to the printer bed.  //  Use tree support. // Turn on ironing. // Consider using 2 or more top layers.  Any fill percentage will work.  I used 15%.