HOLES INSIDE HOLES
Remove the center forever
Divide a triangle into four congruent triangles, remove the center, then repeat on the remaining three. Its similarity dimension is log(3)/log(2) ≈ 1.58496.
FRACTAL TRIPEXPLORE INFINITYTAKE A TRIP ✦A triangle of holes that also appears inside Pascal’s triangle and cellular automata.

Divide a triangle into four congruent triangles, remove the center, then repeat on the remaining three. Its similarity dimension is log(3)/log(2) ≈ 1.58496.