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SparkFun will be closing early at 3:30 Friday 5/27 and remain closed Monday for Memorial Day (5/30). Orders placed after 2pm MT on Friday (5/27) will process and ship out on Tuesday (5/31).

Member #370408

Member Since: October 16, 2012

Country: United States

  • I went through and measured the screw hole pattern and made a drawing of the positions. I also made a drawing of the outer profile (slightly inset from the profile of the device). I used 8-32 screws to mount it, but I think M4 screws should work as well. I made a 3D FDM part using these dimensions and verified it fit. Take a look:

    screw dimensions

    other dimensions

    If you do an inlet on the intake side, use a filleted inlet with a radius of at least .2*Diameter (12mm), as this design will produce the lowest entrance loss.

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