Press P to open the color pallet and switch colors(click on the color you want) . Press the numbers 1 through 9 to change the thickness of the pen. Press E to open the eraser. Press 0 to clear all. Just hold down the left mouse button mouse to draw. Press C to open a circle stamp. You can change the color of the circle using the pallet and you can change the size using the left and right arrow keys.(Press C to close the circle too)
My first ever project using pen.
