Pipe straight lines, left to right across the tart about 1/2 inch apart.
Continue to the bottom.
Turn the tart 90 degrees. The lines will be vertical.
Pipe across the tart, left to right, 1/2 inch apart to the bottom.
First and second set of lines.
Turn 90 degrees again after the second set of lines and pipe to the bottom again.
Close up of finished baskeweave.
Finish the edge.