yeah kapton was always supposed to be better for abs. Mine never was :-)
That said it was a long time ago and I knew exactly buttkiss about 3d printing. So maybe it was me :-)

You can print the duct on the flashforge, then print another once it's fitted. Pretty sure that's what I must have done :-)

yeah 26 hours looks about right, why it looks brand new - basically not even broken in !

I have looked at the board pictures - and I can't see any obvious fan or rgb connectors.
flashforgeboard.jpg