What can be folded with rectangular paper?

Rectangular paper can be folded by hand as follows:

1. Frog jumping when folding rectangular cardboard.

First, fold a meter shape on a rectangular colored paper, and then fold it into a triangle according to the crease, as well as the bottom. Fold four corners inward and then outward, turn it over and fold the back, then fold the bottom twice, and the jumping frog is ready.

2, rectangular cardboard folding gold ingot

Rectangular colored paper is folded in two thirds. After unfolding, the two corners are folded inward and the other side is folded upward. Just tidy up the gold ingot a little.

3, rectangular cardboard folding cow envelope

Fold the rectangular paper in half twice, take a pair of scissors to cut off the extra part, take out a rectangle on the paper with a tool knife, draw your favorite pattern with colored strokes, and stick the bottom firmly, and the envelope will be ready.

4. Schematic diagram of making heart-shaped origami

Step 1: Put the paper horizontally and stack it together from top to bottom. Fold this paper from top to bottom.

Step 2: Fold from right to left and then from right to left.

Step 3: put your finger between paper and paper, then unfold it and press fold. Put your finger between paper and paper, unfold it, and press down to fold it.

Step 4: Fold up from the bottom of the triangle and fold up from the bottom of the triangle to form a crease.

Step 5: put your finger in the middle of the paper, so that the paper will unfold and fold on the right. In the middle part, put your finger between the paper and the paper, and press the crease to spread it to the right. The operation on the left side is the same.

Step 6: Fold down the four corners of the lower half, and fold down the four corners of the lower half.

Step 7: Restore the part folded in step 5, and restore the part folded in step 5. (Make sure that the four corners are not damaged).

Step 8: Turn back to the back, and then turn back to the front. You can paint your favorite color on the origami, and the heart-shaped origami is finished.