4 ms·An eraser to remove lines and segments would be useful too.by mickdarling 12y agoAn eraser to remove lines and segments would be useful too.thedufer 12y agoYeah, some of the later ones just get cluttered and it can become difficult to click on the intended point.ordinary 12y agoRight click.ordinary 12y agoHm, seems to only work on some levels.