Well 'tis done
After a bit of head scratching I came up with an idea. Trumpeter would have the main shields fitted by gluing an edge of the PE into a groove on an upright.
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I imagine that would be very difficult to achieve and also the shields would be fixed in position, they could not be swung back and so would not fit between the raised sides. Now this is a picture of someones model taken from the internet (I don't think I'm breaking any rules by showing it as it was easily found - public domain?) It's the dragon kit and shows folded shields.
THIS IS NOT MY MODEL. Just an example of the folded shields.
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So the plan. I cut off the grooved uprights and fitted a small length of styrene tube.
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I glued the cut off upright to the edge of the shield which I bent over slightly.
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That meant that the protruding edge of the upright would slot into the tube. The shields could then be moved back as required.
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Voila!!
Shields primed, painted, weathered and fitted.
OK so it's not accurate so rivet counters look away now but it's worked well enough for me.
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Thanks again to everyone who has looked in on this and a big thanks to Dave for organising the GB. Sorry I'm outside the time frame. More photos in the completed GB section.
And a happy and prosperous 2023 to one and all.