Thanks a lot for cleaning it up. But how do I do that with the other 10 files I have staring at me? But when copypasting, splitting, merging, ... is not really possible in Inkscape I have to find a different software anyway. Going for a walk now exploring the posibilities ...

Thanks a lot for putting that much effort into trying to help me out here ... but with all these weird things going on I cannot imagine any professional working with inkscape despite I read about it. I am more a coder, not a graphics guy but every now and then I need to do some graphics. For the pas...

Another effect I do not understand is: - open the layer "deutsch" with the + in the layer list - show "diler-icon-deutsch-miteinander-reden" via the eye in the layer list - move that layer above the the layer "deutsch" in the layer list Why do those steps change the siz...

Thanks for the unclone hint, but I am afraid that does not help. I still can reproduce the effect of unwnated objects manipulated with these steps: - open the file - unlock the top layer - unlock "diler-icon-deutsch-berufswelt" and all its sublayers via the lock in the layer list - show &q...

Thanks for the hints. How do I unclone the objects? ... obviously apart from making separate files for each icon ...
Here is my file:

Hi, I am new to inkscape. From other programs I learned that locking a layer (click on the lock in the layer list) the objects in that layer will not be manipulated what ever I do to other layers. In my version 0.91 this is not the case. Although I lock the layer, hide the layer, work in a different...