Pico 50mm fan air scoop v4 - 2 sizes

This is a revised version of the previous design and replaces previous designs. This add-on cooling fan scoop was designed primarily for use with the Pico hot end.
The OpenScad file is included so that you can customize to your own configuration.

This version mounts to your x-carriage and not directly to the hot end to keep the moving weight off of the hot end.

The SCAD file creates two different sizes of scoop; a half-height size and a full-height size.

The half-height was designed