Firstly, thanks for the assistance with this project, I have learned a ton.
I am beginning to export views for post production where I will do a lot of illustration/live paint mixed with renders, thus the linework is key. I am almost getting perfect results in terms of imported geometry and line visibility, but there is a bit of variance on how some of the BRep revolves are coming through:
They are all revolved spline forms, shared below.
vessels.3dm (17.4 MB)