Press space to draw. To toggle the modes, click them or use these hotkeys. Eraser - E Stamp - D Change color - Z Lines - L Squares - R Change thickness - up and down arrows Currently, lines and rectangles do not work the best, so do not expect them to be perfect. To draw lines or rectangles, click on one spot and then click on another.
All made by me. Edit Log: Apr. 7, 2021 - V1; shared