As promised some more details about the build so far...
Not sure where the photos went but when I completed the yellow mid section printing, I glued everything together (Duh..)
And had plexi lasercut, 3mm thickness.
I am working of the updated CAD file from joshua (Maruska) and have made my own version from this.... in the meantime it became a lot more different than the original. (more on that later).
And ofcourse It is fully customized for the printing build I am doing.
I had a ring printed in the mid section, and some notches cutout in the plexi to align the ring.
The sections I printed would 'lock' in the ring.
Since I have to work backwards with finding the cutouts for the pits in the dome, do the plating, jawbox and walkways first.. or at least the locations. And then find and confirm the pitholes; I made an overlay in cad from the bandai blueprint. So I can add ribs and support for the dome but without interfering with the pits cutouts. (Or actually it's the other way around

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Keep in mind, I just used the bandai overlay for a crude measurement, you can get a lot of data from it. (with the correct scaling ratio), but beaware of some possible differences. So always DYOR, look at original ref. photos.
The underside of the dome. I also had to keep in mind that I had to print parts. So printbedsize was also a factor.
Here you can see the inside getting epoxy coated. This will make the prints strong as F.
The cleaned up walkways, these are from 7 years ago from my first attempt. The bottom ones will be a little bit more efficient. (Lighter)
That's it for now.
Not sure what is next, have to finish te plating on the mandibles.
And then I am going to do the plating and kitparts from the upper jawbox I think.
The engine deck is printing now, looking forward how that will look especially the 'Lip' section, it was a lot of CAD work to get that right...