Origami Octagon from a Square
Some origami models start with an octagon instead of a square sheet of paper. Below is a fairly simple method of making an octagon from a square sheet of paper.
![triangle from a rectangle](https://origami-resource-center.com/wp-content/uploads/diagrams/shape-Octagon.jpg)
Make an Octagon from a Square
- Fold and unfold the paper in half horizontally and vertically. This creates four sections each with a 90° angle.
- Fold and unfold the paper in half, both directions, diagonally. This creates eight sections each with a 45° angle.
- Fold and unfold the paper again to bisect each section. Do this a total of four times to create sixteen sections each with a 22.5° angle.
- The crease pattern should look like a starburst with the lines converging at the center of the square.
- Cut or fold the four corners of the square to achieve a perfect octagon. Use the crease lines from step 3 to determine where to cut.
- cut a triangle from a square
- go back to Origami Basics page
- get instructions for origami models
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