[vipers7]

and again some pics showing that we are coming here to an end...



here I installed a magneto-hydraulic coupling with my hydrospanner



...the iron balls should be test fitted with the magnet. The iron is in tape to prevent coloring the paper by rust later, then glued onto the paper.

and here is the bottom side



...and by the way: I found a way to "prevent" the macroscopic photos:
I crashed the lens..sigh ..that's why the photos are a little bit too bright. I had to change the camera.