The free of charge German Aips are a terrible thing.
Each airport is defined by more than 1 pdf file, the minimum is 3 files per airport.
Stutgart for instance requires 10 pdf files.
Here is what I did, but it took me 10 days :
Then I created 1 pdf files per airport by merging all relevant files into one pdf files
The Zip file containing all the VFR AIP Charts is 830 000 Ko.
Problem: almost impossible to update, because updates are not available ; the data is the one extracted at
the end of last january.
This Zip-file can be put on-line at anyone request.