This guy is the man for doing stuff with Distance functions: http://iquilezles.org/www/articles/distfunctions/distfunctions.htm
Here is an image of a Trumpet made from distance functions. https://flic.kr/p/oJSDCN
You can also make 3D fractals from distance functions! https://flic.kr/p/oJSrsK
This guy is the man for doing stuff with Distance functions: http://iquilezles.org/www/articles/distfunctions/distfunctions.htm
Here is an image of a Trumpet made from distance functions. https://flic.kr/p/oJSDCN
You can also make 3D fractals from distance functions! https://flic.kr/p/oJSrsK