engine deck parts. Most of these bits are consistent with the 5' studio scale model from the first three films, but there are a lot of proportional differences.
hmm, here's something kind of fun. Uploaded a lower poly version to Sketchfab, take a look below.
plus, thanks the those new continuity photos that have been going around, got to model that thing in the corner up by the ceiling. Looks like it's going an upside down R2 dome at the end, and then some other cylindrical part.