Snap two vertices together on the same freeform line, or precise curved line – Scribble Maps Help Portal

Select the "Draw Tool" in the top toolbar.
Or you can press the "D" button on your keyboard.
In the Map View, draw a U-shaped line.
Select the "Edit/Measure Tool" in the top toolbar.
Or you can press the "Q" button on your keyboard.
In the Map View, click and drag the first end-point of the line towards the second end-point of the line.
When the two lines meet, a black circle will appear. The black circle notifies you that the two vertices will snap together at the exact location of the second end-point.

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