Raymarching your first SDFs (Signed Distance Fields) is a magical experience that all computer graphics practitioners should have. With just a few lines of code, you can animate and render 3D objects with shadows and all, without any engine or renderer’s assistance. Learning about the Smooth Minimum function is another mind-blowing moment, as it allows blending objects together effortlessly and sculpting organic shapes without worrying about tedious details. Domain Repetition is a technique that creates an infinite number of columns and floor tiles by making an SDF repeat forever in space. This article explains the concept, its strengths, weaknesses, and applications.
https://iquilezles.org/articles/sdfrepetition/