Really Sketch Docs
Online Graph Paper
Erase parts of the drawing
Select the Eraser tool, and click anywhere you want to erase.
The eraser size is directly related to the grid size. Try temporarily changing the grid
if you want to make the eraser bigger.
The Undo button may be a better option in many cases. It will undo the last thing that was drawn. You can use it repeatedly to undo more than one thing.
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