You are good at 3D printing and creating objects. Looks good.You wanted some pictures Jacek?
Here is the inside of the first 3d printed case.
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Before that, I tried a Jaycar case.. HB6011
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As you can see, I'm not much good at cutting neat holes!
So, back to the 3D printer...
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Please note, the glass I print on has damage so the surface is not smooth.
I'm toying with getting a spring steel sheet instead, but another 410x410mm glass will be a lot easier to source.