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You just need the right hardware some kind of slide on clip
il_1140xN.2723626382_ce0u.jpg

...thanks, I'll think about it. We still need to find a place on the wall :D

That hardware is called a z clip since the other half locks with it like a z shape.

I understand it. I have strips of metal and I can think of something with them.

Yeah they are easy to manufacture as well even with just three layers of metal and some metal glue and tin scissors.

Yes exactly :Р