May be it is new art form! What can you say about it?
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.
Suprematist Kinematic Construction #17. (PS - we have only 16 curves on the Mathcad 15 plot!)
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:
