These are articles posted by The Fold editor all (who may or may not be the author; see byline for authorship). The Fold is the online magazine for members of OrigamiUSA. New articles are posted continuously over the two month period of each issue. To contribute to The Fold or for other questions, please see our FAQ.

### Convention 2012: The Daily Fold I

This is the first installment of our new convention newsletter, bringing a taste of the New York OrigamiUSA Annual Convention to everyone!

### Paper Review Special: A Third Opinion

Eyal Reuveni reviews all 10 papers that Ilan Garibi and Gadi Vishne previously tested by folding Hideo Komatsu's lion from each paper type.

### Paper Review #10: Nicolas Terry Tissue Foil

Nicolas Terry offers Tissue Foil in his online shop. Read here how it stood up to our tests! A small hint: you will not be disappointed when folding with this paper.

### Modular Origami: the DeZZ Unit

Learn to fold a family of modular units that can create a wide variety of deltahedra, polyhedra whose faces are equilateral triangles.

### Diagrams: Forsythia

By Tanja Pott
Diagrams for a forsythia flower designed by Tanja Pott that can be assembled into decorative branches.

### Diagrams: Pre-Columbian Frog

by Leyla Torres
This article presents diagrams and a video for folding a pre-Colombian frog.

### Diagrams: Double Flower and Variation

This 10 Unit Flower has two identical sides, and benefits greatly when folded from duo paper. It is based on a simple starting point for some other models, like the 8 Unit Ring.

### Report: BOS "Founders Convention"

Nick Robinson
The 2012 BOS spring convention in Birmingham was dedicated to the founding members of the Society. This article offers a brief history of their involvement.

### Diagrams: Flying Santa

by Sy Chen
Diagrams for a paper airplane by Sy Chen resembling Santa Claus.

### Math: Trisection Construction Proof

by Bennett Arnstein
Proof of Lewis Simon's construction for the trisection of the side of a square or the short side of a rectangle.

### Diagrams: Beaver

Diagrams for a beaver, the mascot of MIT, designed by Brian Chan.

### Generalized N-Sided Masus

by Arnold Tubis and Christopher Pooley
Tubis and Pooley explore $$n$$-sided generalizations of the masu and one of its many decorative-lids. Detailed video instructions are provided at the Origami Player site.

### Diagrams: Stand-up Sailboat Card

by Sy Chen
Diagrams for a pop-up standing version of the traditional origami sailboat by Sy Chen.

### Paper Review #9: Onion Skin Paper

Originally developed to minimize paper weight for air mail, Onion Skin paper offers many advantages for use in origami.

### Diagrams: Salmon

by Joel Stern
Diagrams for a salmon designed by Joel Stern for a consulting project.

### Five Intersecting Octahedra

Meenakshi Mukerji
30 pieces of paper are folded to make a modular version of the Compound of Five Octahedra model.

Learn the story behind the Google Doodle for March 14, 2012, which honored Akira Yoshizawa, and fold your own Google logo.

### Cutting Paper with Origami

by Ilan Garibi
Can you cut paper with origami instead of scissors? While trying to design a 24 unit Stellated Octahedron, I got stuck with all the math involved and decided to make it simple - cut the intersected units by folding.

### World Origami Days

by Marcio Noguchi
A description of the history, expansion, and future of World Origami Days.

### Diagrams: $$60^{\circ}$$ Star Module

Diagrams for a $$60^\circ$$ Modular Star by David Petty