Quadlock GoPro Double Adapter

I was looking for an adapter, but didn't find a perfect solution for my task.
So i've ended up with this remix/ combination of these two items:

* https://www.thingiverse.com/thing:2122826
* https://www.thingiverse.com/thing:62800
(Remix-Search box doesn't work atm)

Thanks for the initial creators!

Works like a charm.
Happy to share it with you.

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If you are wondering, which mounting system i am using in the picture:
check this one out: https://www.thingiverse.com/thing:2194278