An example of what you will create is labeled “Final” on the right side of the artboard. You
will work with the artwork labeled “Start” on the left. You’ll select and erase the single door
shape to make two doors.
Choose View > Fit Artboard In Window to ensure it fits in the Document window.
With the Selection tool ( ) selected, click to select the door shape labeled “Start.”
Choose View > Zoom In a few times to see more detail.
Double-click the Eraser tool ( ) to edit the tool properties. In the Eraser Tool Options dialog
box, change Size to 5 pt to make the eraser smaller. Click OK.
With the Eraser tool ( ) selected, move the pointer above the middle of the selected shape.
Press the Shift key, and drag straight down. Release the mouse button and then the Shift key.