These are described in the notes on fractals in the link below. One way to draw this is to start with a solid triangle, divide it up into four smaller triangles each one of which has 1/4 the area of ...

At the unveiling ceremony Sir Leszek Borysiewicz, vice-chancellor of Cambridge University, pointed out that the fractal was so ahead of its time that ‘[the Sierpiński triangle] is only seeing its true ...

The researchers shared their astonishment at the sight of the enzyme’s spontaneous assembly into the iconic fractal pattern ...

"The protein makes these beautiful triangles and as the fractal grows, we see these larger and larger triangular voids in the middle of them, which is totally unlike any protein assembly we've ...