2.4.2 Breaklines. Slopes
Creating existing slopes. Obtaining the outline of existing slopes using transparent commands;
Civil 3D Basic Course
https://infrabim.pro/basic-videocourse/
Full online course "Master Plan in Civil 3D"
https://infrabim.pro/general-plan/
Full online course "Utility Networks in Civil 3D"
https://infrabim.pro/inzhenernye-seti/