Robo 3D Chimera Blower

This is a blower for a Chimera upgrade installed on Robo 3D, it works amazing for me.
The two regular fans were too weak for me so I decided to install these blowers on my printers, they are relatively inexpensive on ebay.
I attached a .step file in case you wanted to make any changes to it.
Thanks to Mike Kelly for making .step files of carriage and chimera available and making it a lot easier to work on the shroud.
The hardware required are (5) 6/32 screws and the fan itself, one fan is