CraftBot Cooling Fans Adaptor for Bart's Custom Hotend

I bought and installed Bart's modified E3D hotend for my CraftBot. It's working great.

Since Bart's custom hotend (or any E3D hotends) does not have a silicone cover on the heat block, I've designed a new cooling fans adaptor for this hotend.

Just snap the adaptor from below to the cooling fans.

Below is the link to Bart's hotend.
https://www.craftbot.nl/product-categorie/onderdelen-en-supplies/onderdelen-2/

[Update: 2016-02-22]
For those who only wants to only block the fan blowi