Radial print cooling fans for a Prusa i3

I recently finished a CoreXY printer, and wanted to mount some 50mm radial fans for print cooling. I came up with a bright idea for mounting them vertically alongside the hot-end - but found that they didn't quite fit!

However, I did find that they would fit really well on my Prusa i3, so I've put together this Thingiverse presentation with the hope that it will help other Prusa owners (it may also work for other types of printers).

Note that I have shown 2 styles of bracket - one straight