2. Next, draw a rectangle and turn on the three-dimensional switch of the floor layer and the rectangle layer.

3. Create a new lighting layer; Set the light type to: point; Checked: Projection; Click OK.

4. Open the property option of the background layer and change the value of the x axis here.

5. Move the lamp to a rectangle; Then set the parameters of the light; There is light, but the rectangle has no projection effect; This is because we didn't turn on the projection switch of the rectangular layer.

6. Click the properties option of the rectangular layer, and then click the material option to see the projection. Click "Off" to display "On".

7. The rectangle now has a projection;

8. Double-click the settings in the light layer to bring up the panel, and then modify some settings of the light to get different projection effects. You can also move the position of the lamp and change the projection direction.