Anyone have a design for the standard herculien Of the part cooling fan shroud/guide?

[Jim_Stone]

Yes im using 50x50x15

This one specifically http://www.ebay.ca/itm/1pcs-Brushless-DC-Cooling-Blower-Fan-5015-FSY50S24M-DC-24V-50-x-50-x-15mm-2-Pin-/300764402903?hash=item4606f494d7

i assume the important parts are the same.