Transcription: Now you can choose the slope of your lot. If your lot is pretty flat, just click the next button to move on. If your lot has a simple slope, use the boxes around the tilt tool to change it. The side facing you in this screen will be at the bottom of the screen when you see it in top view. Use the advanced slope tool if your lot has a more complicated profile. Choose a side to profile, then create and drag points to change the terrain.