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May be it is new art form! What can you say about it?
ВФ! А вот это можете нарисовать?
It will be done by my students!
I remember a time when some people signed like this - see the picture (a cross).
There are two types of people - some make a signature without lifting the pen from the paper (a first sign on the picture), and others that are torn 1 (the second sign), 2, 3, 4 (Anton Chekhov) and so on.
In my group of students (15 people) only three make a signature without taking the pen off the paper.
Origins
Suprematist Kinematic Construction #17. (PS - we have only 16 curves on the Mathcad 15 plot!)
Cross, Circle and three Birds
And one more fine animation
They are all kinematisms or transformations of the circular motion in other coplanar, obtained with connecting rods and cranks .... the analytical study should be simple.
The article in the journal "IT in school" about this problem in attach!
New ellipse - predator!
One focus is a point - the second focus is a circle
It is one animation for the article for the journal Symmetry.
Some comments-pictures:
An Ellipse and a Hyperbola