E3D v5 and v6 40x40 Fan Duct remix (firmness and air flow)

I noticed two flaws in the original design:
It leaks air directly to the heating block and does not hold against the lower end of the heatsink allowing it to come loose and get askew.

I fixed both by "dragging" the airflow-divider towards the top (cutting the fan duct into slices and rearranging them in tinkercad).As I don't need the hole in the top I added a Version without it.

The Mesh seems a bit messy around the rejoint sections but it's on such a small scale that the slicer should i