I placed a comment in https://www.thingiverse.com/thing:1264391 so hope to hear from the author. But meanwhile can anyone make sense of the 'Vent' and 'Decorations' parameters here please?

I have to set 'Decorations' ON, regardless. Setting just Vents to ON results in no vents. And I see nothing that could be described as decorations anyway?

Vents-Decorations.jpg


Or for a clearer image:
https://www.dropbox.com/s/wy7zo7bycq...ions.jpg?raw=1