Remix 50x15 radial to 40mm axial fan adaptor

Just beefed up cars4fun2001 version and added a fan support. Comes with (untested) or without the heatsink spacers. I should have added the fan support as a hanger but this version works really nicely for me.

05/11/2018 Added a void under the cone to save on filament. Also Tinkercad link. https://www.tinkercad.com/things/grKtz3bkLBP-remix-50x15-radial-to-40mm-axial-fan-adaptor#/