Reach3D Fan Bracket

This is a modified fan bracket for the Reach3D printer. The mounting point was moved to better center the air flow of the fan onto the hotend assembly. Also provides a flat surface for the fan when used with the air duct.

Two parts are available, Fan bracket_MOD is the new part with the old mount point in the center and Fan bracket_MOD3 is the offset mount point.

Added a new part that has the fan angled to the printer, air stream lines up better with the center line of the extruder. Use Fa