I was working on a model there few weeks and now I have to make the drawings, so I'll test your suggestions. :)
I have tried a few experiments with the new method (newer should be better - no? ;) ) and I encountered a few more inconsistencies:
see the attached files - the Left/right top/bottom order seams to have ne influance on the label position. I need to place them to the side of the model, not bottom/top.
I'll try the angle method again... It's a pitty I don't have enough time to experiment, as the work is waiting...
I'll inform you on results,
Attachment: Lab pos.zip