I found some pretty cool filament container from spannerhands. It looks nice how they managed to attach it to the wall. But I wanted some more freedom to move them. So I decided to design a wall bracket with a joint so the containers can turn a little bit.
But not every first attempt is successful . On day there was a horrible crack boom noise when I was sleeping. When I saw what happened I also realized where the problem is.
When you print something always think how the stress is going through the part. In my case I had to learn the hard way. Look at the picture on the ride side you can see that the stress pulls every layer apart. The strings from 3D printing process should be in line with the highest stress in the part. Because in this direction 3d printed parts are the strongest. The reason for that is the process by itself the string is mostly consistent but the connection layer to layer depends on a lot of circumstances and is always weaker. So Think twice before you save you gcode and start printing.
So I changed the design and rotated it by 90 degrees and there it is the final wall bracket for the filament containers. Changing the containers is as easy as seen below.