Birthday cake can be easily made with paper.

Fold a cross first

Fold it to the middle line

Fold it to the right as shown in the figure

Fold it to the left

Reopen it

Then press both sides of the upper part

The other end is also

. Fold it like this

Fold it in half

Open it again and fold all four corners like this

Fold it horizontally as shown in figure

Press all four corners like this

Fold all four corners into squares

Fold every square like this

Fold it like this

Open it again and lift every corner

Press. Fold all corners like this

hold the triangle with your fingers to make it bulge

All four corners should be tidied up.

One * * * should be made into four overlapping corners.

Fix them with glue in the middle.

In turn, erect all eight corners.

Circle the strip to fix each triangle to the strip.

Fix the other two folded corners to it. <