The balcony that is only good before nine
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.
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
BuildingNot yoursCanopyShadow nowCan see inProposed
Shadows drawn for
September · 18:00 · sun 10° up, WNothing 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) · 42.360, -71.059 · America/New_York
This sets how much the reported ten-metre wind slows down at seat height.