Cyclone duct for Hypercube Evolution with BP6 extruder

You won't see the STL details in the preview - they are many and easy to get confused. The project contains two archive files - for a flat cyclone and for a conical cyclone. The archives also include source files in Solidworks 2018 and STEP 214 format.
You see a preview of CycloneFlatAeroProfile. It is absolutely unnecessary for making an air duct, but a project cannot be completed without attaching at least one STL outside the archive. :)

I want to tell you about my air deflectors. They have one peculiarity - their bottom surface is made of thin aluminum sheet.

First, I used the Scott_3D deflector available in the Hypervube Evolution project files.
But I quickly saw that blowing the part on only one side did not make it possible to print spherical detals with good quality. In addition, I was printing PLA deflectors, and the bottom surface quickly became curved - from heating by the hotbed and air reflected from the part and the heating block.
Then I tried using a deflector th