40mm Box Fan Housing

UPDATE: I uploaded the spacer pieces to allow for multiple fans. Also tweaked the pointy end to accommodate thicker fans (added 2mm more depth)

I had an extra couple of 40mm box fans (same ones used to cool the extruder on the Replicator) on my desk and on a whim hooked it up to a power supply. Cool little fan, but it kept wanting to precess and wouldn't stay upright. So I whipped this up. I really tried to make it look like a jet engine. Haven't printed it out yet.
I would suggest print