This lecture presents a 3D graphic model of the Ecublens moraine, divided into 92 zones assigned to each student for the creation of individual graphical representations. The students developed a graphic charter defining symbols and representation rules. The responsibility for teaching lies with Paule Soubeyrand and the assistants Emy Amstein, Chloé Daguillon, Adrien Gilliand, Claire Logoz, Julia Magnin, Attis Bijleveld, Carla Scharff-Hansen, Michael Di Dio, Januga Kesavan, and Lea Bredou.