Tevo Little Monster TL Smoother Case - 120mm Fan V2

Here is my first design or better said....a good idea i hope.
As many of the tevo little monster owner mount their 120mm fan to the outside of the mainboard housing and also have smoothers installed, which become very hot, i was thinking about to solve this little problem.
So here is a little case in 120mm x 120mm x 22mm where you can mount your smoothers in and put the stock fan on top.
To reduce the filament i decided to use only 2 screws per smoother and i change the outer walls to much th