Excuse me for the annoyance, yesterday night I was:
a. kind of in a hurry and not sure I had some time left today for an extensive reply (I’m leaving for a week holiday in Berlin).
b. from Jansen's linkage - #11 by Luc under the impression that Ivelin was trying to animate the Jansen’s linkage, nothing more.
Sorry and goodbye. I have a plane to catch.
Luc