For before bed time ... infinite avatars.
Some are quite nice and all perfect geometry.

Jean

Pattern Avatar.sm (64 KiB) downloaded 58 time(s).

The nice and clean Sierpinski from Andrey,
I don't have the faintest idea how to build.
This one works well. X_Y plot refuses to plot.

Jean




Pattern Sierpinski.sm (12 KiB) downloaded 48 time(s).

Wrote

Both files are working for me.
It seems that the algorithms are not the same.
The principle is this:

Thanks Ioan,

You are right: it's plotted using my [not mine]
algorithm, infinite or very high iterations and
plotted pixels. Smath plot points plot many adjacent
pixels [Mathcad as well] thus not clean plot

Cold here, but blueblueblue sky !

Jean