Snap a line’s end-point to a corner vertex of a rectangle/polygon

Draw the rectangle or polygon

To learn how; visit these links:

• Rectangle Tool—Draw a rectangle
• Draw a polygon - (Polygon Tool)

Draw the line

To learn how; visit these links:

• Line Tool—Draw a Straight Line, Connected Lines, Flight Line or Dimension Line
• Draw Tool—Draw a freeform line
• Pen/Curve Tool—Draw a precise curved line

Snap the line’s end-point to a corner vertex

1. Select the "Edit/Measure Tool" in the top toolbar.

   Quick Key: Or you can press the "Q" button on your keyboard.

    
2. (Optional - For Pro account users) In the Map View, you will see a pop-up on the left side. Select "Points".
    
3. Click-and-drag an end-point of the line towards a corner vertex of a rectangle/polygon.
   When the end-point and the corner vertex meet, a black circle will appear.

   The black circle notifies you that the end-point and the corner vertex will snap together at the exact location of the corner vertex.

See also

Snap a line’s end-point to the center of a circle

Snap a line’s end-point to the end-point on the edge of a circle

Snap a straight line to the perpendicular (90°) point on another straight line