2, fold twice, fold the four center lines, the middle part of the paper do not fold.

3, two sides aligned with the center line fold, the other two sides also aligned with the center line fold, open.

4. Fold the four corners down, open, close and flatten along the folds.

5. Hold the small square open and flatten it.

6. Turn to the other side, fold the four small corners inward, fold out four flower shapes, take two of them and stick double-sided tape.

7, glue the other two, pay attention to the edges and corners aligned, the small triangles will be propped up, organize the shape. The left one is for the top cover, and the right one is for the bottom.

8. Make a circle out of cardboard and stick the same color paper on it. The size of the circle should just be able to fit into the cake, the diameter of the octagonal relative to the distance between the two sides, the height of this distance half.

9, put the ring into the base, the base of the eight triangles glued to the ring, the position to find the right.

10, with the same method, the top cover is also glued, the small triangles of the top cover and the base of the small triangles interspersed with each other.

11, plus origami mounts and paper roses, paper cake is finished.