Quick and dirty Sierpinski carpet (level 4) cut.
This is what I started with:
https://upload.wikimedia.org/wikipedia/commons/5/55/Sierpinski_carpet_4.svg
…but I lost patience trying to manipulate the SVG file in Inkscape to define the cuts so I made a bitmap image and outlined that. So, don’t look too carefully at the tiny square cutouts.
Sierpinski_carpet_box.svg.zip (5.1 KB)
About 8 minutes using PG draftboard as a 3.5" square.