Some Nice Shader Toy Link
https : //www.shadertoy.com/view/4dfGzs
https : //www.shadertoy.com/view/3lsSzf
https : //iquilezles.org/articles/voxellines/
https : //www.shadertoy.com/view/MdX3Rr
https : //www.shadertoy.com/view/MdXSWn
https : //iquilezles.org/articles/sdfrepetition/
https : //iquilezles.org/articles/sdfrepetition/
https : //www.shadertoy.com/view/lltBWB