The carport we are trying to eat in

The plan

Demonstration, changes are not savedBack to the answer
Heights matter more than outlines here. A fence at the right height in roughly the right place gives a far better answer than a perfect outline at the wrong height. Drag things to move them, or select one and use the arrow keys; hold shift for larger steps.
AddGroundMark

The property line

A rectangle you set the size of, not a survey. It decides one thing: whether a position is yours. Anything standing outside it is a conversation with a neighbour rather than a trip to the timber yard, and the study says so.

Nudge it
The house19.7 ftCarport roof9.2 ftCorner post8.2 ftCorner post8.2 ftThe table under the roof21° upN16 ft
BuildingNot yoursCanopyShadow nowCan see inProposed

Shadows drawn for

September · 18:00 · sun 21° up, W

Nothing selected

Click anything on the plan to set its height, how solid it is and what it is called. Drag it to move it.

Where this is

New York (demonstration) · 33.749, -84.388 · America/New_York

This sets how much the reported ten-metre wind slows down at seat height.