Triangular based window roller

A quick learner from USA says:
from 22 year old better-bild window.
your 87-181 works on most of our windows but a few are different.
please see attached photos.

DOUGLAS
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Tom from SWISCO responded:

Thanks for posting, Douglas. I'm sorry to say that we don't have any roller like this. That dongle especially is not something we've ever encountered before. I would recommend contacting the original window manufacturer, if you can find them.

I'm sorry that we can't be of more help.

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