They needed to use the 6-foot for Generations
because of the saucer separation, even though it looked more unfinished than the 4-foot model. The 6-foot model had a smooth, unfinished surface, while the 4-foot model had a textured surface that depicted the detail the actual ship would have had.
was easier to work with because it was built to ILM's specifications. Even the Reliant
model was easier for ILM to work with than the Enterprise
model. The Enterprise
model had two problems. It was too big for ILM's motion rig and didn't mate well to it. Plus, it had interior lighting that ILM found difficult to work with. ILM never expected to work with the refit Enterprise
model again after Star Trek III
; to their chagrin, they had to get it out of storage and clean it up for Star Trek IV