Indeed Pascal ... Beautiful applications of trochoids ...

Yves

Superb machines!
Bravo Pascal for this research.

Yves

Yes Remundo, I should have put as subject "Interlude 3 diamond system".
An interlude can be made later for the 4 diamond systems. There is a lot to say about it too.

See you soon

Yves

Yes Remundo, the system with 4 deformable diamonds has been known for a very long time and it has surely been the subject of a few patents over the years. I have seen several of them. It is very easy to find documents on this. I even think I mention it in the first pages of this topic ...

Hello,

New activities to continue this interlude:

Inspirational, right?

Yves

Rather than the model at 3 precessions, it is possible to choose this one only in the center:

Hello, https://www.econologie.com/fichiers/partager3/1415794570o0SJmu.gif note: the "rosette" then seems to me to be the central intersection of 3 "external" trochoids positioned in a star at 120 ° one of the 'other .... is this really Yves? Yes Pascal ... A third ex family ...

Hello, Each rhombus flattens in turn and then returns to its square shape. By developing along the perpendiculars to the drawing plane, the diamonds become chambers whose volume varies according to the cycle. https://www.econologie.com/fichiers/partager3/14158495473Ym8OE.gif https: //www.econologie ...

Welcome Gipa!
Thank you for this visit.
Congratulations on all of your work! Especially on diamonds.
I'm appreciative.
Yves

Marcel wrote:And what about the curve followed by the orange dots?

Hard to say