Phone / Tablet Stand

I like this stand very much. We use it all the time, its great. So please pay attention to the author. (Remixed From).

However I had an issue that needs to be fixed so I do so.
I need it for 10" Tablets so I printed it in full size. At the end of the print I get some smooth layer shifts at the point where the printer begins to bridge the connections.
I recognized this only in this design and if I scale the design it moves with the height where the bridges begin.

Whatever it is if I put a