How does WPS produce an animated effect from a letter in an envelope?

Use WPS demo to make envelope stationery to expand animation effect.

1. Set up a good background first.

2, insert-shape-No side corner of the rectangle, by editing the vertex, adjust the length of the edge, change the fill color and border color.

3, insert-shape-freeform, as in the picture, along the previous shape, set the same fill color and border color.

4, and then draw a freeform, and the third step with the shape of the combination after the alignment. Then align the combination diagram with the first shape.