If you drew four separate straight lines with the Pen tool then positioned them to make a tic-tac-toe grid, the Live Paint Bucket tool could apply a fill color to the center square.

Question

Quizplus · Accepted Answer

The Live Paint Bucket tool in Adobe Illustrator allows for the filling of areas created by intersecting paths, so even if the tic-tac-toe grid is made of separate lines, once they intersect to form shapes, those shapes can be filled.

If You Drew Four Separate Straight Lines with the Pen