Support for Heki Windows gasket in a camper-van

Here's something I'm proud of...

It took me 5 minutes to build and I got the radius just right. (It looks better than it does in the picture. It fit perfectly the first time around with the filament I used...)

Goal: Support the Heki seal at the rear corners, otherwise it will tip over completely despite being glued with superglue. At the front, I can only do it with glue and without these parts.
You can fiddle the parts in quite easily and, if necessary, out again, even though they are already glued in place...

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