Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:3364380.
Update 2019-01-28: Unfortunately, my first attempt, as described below, did not work. The E3D hotend needed more space and the component cooler was in the way. I couldn't compensate for that in the design. Now I have changed another design and I have to use a different component cooler. You don't need an adapter for the E3D hotend, you can lower the noise level of the component cooler and everything can be printed without support. Unfortunately I had to build an extension cable for the leveling sensor, because the connection is too far away.
The following component cooler is used now: https://www.thingiverse.com/thing:3130556
What needs to be adjusted after the modification: The heating bed must be turned very far upwards. After the autoleveling my offset is now at 25.00. This is due to the short design of the E3D.
Post 2019-01-20: Hi, I think jangermann concept is really nice and I wanted to rebuild it for the E3D V6 hotend. It was important to me that the auto leveling sensor could still be attached. Furthermore the cable/bowden protection on the left side was too far away and was corrected. I wanted an open and minimalist design, so that in case of a fault the whole case didn't have to be removed. I designed the bracket on the right side like the original, so that the fan sits in the same place. I tried it with three different fan duct components, all of which fit.