I've finally had a small amount of time to get back to working on this project and recently came across a whole slew of reference images I had not previously seen on the 2-disc DUNE DVD (Thanks to Joe Lawson for letting Me borrow that).
With the new reference images, I have been able to revisit My spice harvester model and really try and get as much of the detail correct as possible (though I am taking a few liberties here and there)
Worked out a new way to model all the curved parts that allowed Me to UV map them before I curved them and I think the results are looking considerably better than before.
Here's the old model:
And here's the updated one:
