Origami Pentagon Base
It's a bit tricky to create a pentagon from a regular square sheet of paper. Luckily for us, the hard work has already been done. All we've to do is follow a series of steps to create this origami pentagon base. We can then use this base to create more intermediate origami models. The pentagon base is also used as a starting point for some kirigami projects.
Origami Pentagon Base Step 1: Start with a 6 inch x 6 inch (15cm x 15cm) square origami paper, color side up.
Fold paper in half on the horizontal diagonal axis. Crease well.
Origami Pentagon Base Step 2: Fold point A to B, making a small crease to mark the spot. Crease well then unfold.
Origami Pentagon Base Step 3: Fold point B to point C. Once again, make a small crease to mark the spot.
Origami Pentagon Base Step 4: Fold point E to point C. Make a small crease to mark the spot.
Origami Pentagon Base Step 5: Fold D-B over to the left so that line D-B ends up on point F.
Origami Pentagon Base Step 6: Fold A-D over to the right so that its edge lines up with line D-G.
Origami Pentagon Base Step 7: Fold A-D over to D-H.
Origami Pentagon Base Step 8: Fold as shown below, making sure that I-G makes a right angle with B-D. Crease well and unfold.
Origami Pentagon Base Step 9: Make the mountain fold as shown. Crease well.
Origami Pentagon Base Step 10: Cut the paper as shown.
Origami Pentagon Base Step 11: Unfold paper and your origami pentagon base is complete!
