Is that SAT file from Alibre or MoI?

Its made with the harmony ware translator. I wasn't aware that Alibre used that library...

Since Alibre is Acis based, the best export out should be the SAT format, from Alibre.....

Hi Bob, here's a version with things tuned up to be solids:

https://moi3d.com/temp/Bob9595593/Nacelle%20For%20Testing2_3dm.zip

There were several areas that had some teeny tiny micro edges, those can get in the way of joining. So I needed to reconstruct some places around those.

- Michael