where could i find a fan like this or how could i make it??

[thePh@r@oh]

http://www.mnpctech.com/mal2.html just like the title says

[JPMiller]

these look like common case fans with some sort of cone attachment glued to center and painted to match.
its possible he found these this way somewhere but I'm pretty sure he modded them himself

[golfcart]

From http://www.mnpctech.com/mal1b.html :

SUPPLIES:
Bondo body filler (tube)
600 grit sandpaper (800 & 1500 for finishing Bondo)
Plastikote brand sandable spot filler / primer
Epoxy glue
3M Heavy duty adhesive tape
Panaflo 1A 120mm fan
120mm metal mesh filter
R/C Plane prop nose 1 3/4" from www.Carlgoldbergproducts.com
PVC Closet flange 4"x3" found at Home Depot Plumbing dept. "Closet flange"

[sam]

easy to make the hole is a fan port found at most mod sites his is molded in a painted. and the fan is just a crome fan with a crome model rocket tip from a local hobby shop