I have added some more of the underside saucer panels.
Something really important to mention here, there are two holes on the attachment of the saucer rim panel, these are used to secure the the panel in to place with two small metal lugs. I did not notice that one of the holes was not drilled all the way through, so when I tried to screw it in to place the panel was not in place correctly as a lug could not sit in a mission hole. One the screws snapped as the angle was off. I removed the panel and used a screw driver to complete the missing hole in the piece so that the piece could sit correctly. I did not take a picture of this but I shall illustrate with a previous picture of a panel piece which is the same so that you know which holes to check for, making sure that they are drilled correctly:
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The two small grey dots are where the lugs hold the panel in place. The top hole in this picture was missing from my latest panel piece.
Other than that small problem, here is the completed paneling in place:
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As you can see, the alignment at the saucer rim between panels is not perfect, but this is barely noticeable. There is also a small but notable bit of light leak on the rim connection/join which I fixed with black insulation tape. Also another light leak between the new panel and the previous ones which should be removed when the panels tighten together hopefully.
Don’t go building this model expecting it to be easy or perfect by the way…. It definitely takes a lot of patience and hard work. I am very happy with my model so far though it has a few design flaws/small manufacturing mistakes which can be worked out.