Press the green flag to start. In the diagram shown, you can see A represents the distance from the center of the screen to the gear, B represents the distance from the center of the gear to the pen, C is the speed at which the gear revolves, and D is the speed at which the gear rotates. Press the spacebar and you will be prompted to enter values for these variables. After inputting D it will start to draw your custom design. Press the spacebar again to enter new values for the variables. While it's drawing, you can also press the down arrow to switch between a white line and a rainbow line.
