Procedurally generated cavern

This is from an assignment from my 3rd year at university . We had to create a 3D procedurally generated Diorama with the theme of beneath and with a minimum of 5 settlements and a number of procedurally of other items. I got a grade of 80% with this work. for this I generated a cavern using Cellular automata, to generate a map then generated a 3D model from the verticies provided from the map and then displaced them using perlin noise to create an uneven ground surface, this also allowed me to ...