Use angle to set the starting angle of the pen.Then, hit space to start the pen sprite going. If, When it is done, you want to save a picture of the stage, hit X to hide the variables and pen. then, go inside the game, as if making a remix, and right-click on the stage. then, you can save it on your computer.
Pong.( okay, that sounds weird. this was inspired by a game I made that was inspired by pong.)