2. Enter a line of words.
3. Select the font, and then select the envelope tool.
4. There are 8 nodes on it. You can deform a font by dragging a node with a point.
5. Pulling up the middle node is the effect.
6. Now all the nodes are smooth, so the line is curved. If all the nodes are selected, turn them into straight lines and click them.
7. The line is hard. Delete two points in the middle and two points in the middle.
8. Pull the last two nodes up and down, and this effect will appear. Are you familiar with it? This tool can be changed into any shape.