Adam Berhidi has a quick look on a tiny HADmodels release.

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Thanks!

In looking at the photos of the kit, I'd say the "lack of depth" really hurts it. This is one of those oddball items that I actually own two of - one still in its original box packed in cosmoline. There's just too much going on to try and replicate it with a few pieces of PE. That said, a few layered pieces would do wonders for it if they chose to add a few more pieces to it. I think the weakest part of this kit is the flat hand crank that changes the aspect of the small airplane silhouette in the smaller ring. The linkages just involved in that part make it worth scratchbuilding that whole crank assembly. I've asked for years to see a decent DshK AA sight, and sadly, this ain't it.
I do give your review a "thumbs up" though. Your photos are clear enough to show this is just not quite what we need. Maybe a resin/PE hybrid. Hmmm... I wonder who could do that?

http://www.skpmodel.eu/product.php?id_product=202