https://openhome.cc/eGossip/OpenSCAD/Fractal.html
Sierpinski triangle (Fractal) I have a thing Fern leaf stencil which has a customizable fern leaf. ...
sierpinski trianglefractal
https://www.kirupa.com/data_structures_algorithms/visualizing_recursion_sierpinski_triangle.htm
Dive into the amazing world of recursion with the Sierpinski Triangle! Unravel the magic of patterns within patterns as we break down this cool concept...
with thesierpinski trianglerecursion