Diagrams for a Yale-type cylinder lock key from a rectangle of paper, by Lisa Nguyen Quang Do.
Diagrams for an origami book design that can be modified to provide arbitrarily many pages.
This article tells the tale of the higher spheres of oranges and apples: How I got there, and how to make them.
Diagrams for a multi-sheet house designed by Joel Stern for use in developmental psychology.
A book review for "Practigami," a compilation book of models with practical value designed by many folders.
Diagrams for a Sailboat on the sea by Joseph Fleming.
Diagrams for a wedding dress designed by Indonesian folder Linda Marlina.
Diagrams for an amazingly simple 3D heart by Ekaterina Lukasheva of Russia.
Another chapter in the origami puzzles series. This time you have to fit four Zs and an H together to form a cube. But first you have to fold them!
Another chapter in the origami puzzles series. This time you have to fit four Zs in a square box, but first you have to fold them!
Diagrams for mittens designed by Jane Rosemarin with an improved locking mechanism.
Part two in a series examining the mathematics behind the golden ratio in some geometric boxes.
Diagrams for a dustpan by Ronald Koh folded from a square.
Diagrams for a pop-up standing version of the traditional origami sailboat by Sy Chen.
This is a two steps project, for a lovely coffee table piece.
A method for making four-compartment side–to–side or corner–to–corner divider inserts for prism-shape containers with square faces is generalized so as to produce n equal compartments of specified height for a container with an n–sided regular-polygon face.
Diagrams for a Smiley Face by Joshua Goutam.
This article compares the advantages and disadvantages of PDF diagrams and video instructions. It includes PDF and video diagrams for the models "Lovers Ring" by Francis Ow, and "Will you be my Valentine?" by Stacy Mannes.
Diagrams for a Sailboat by Nick Robinson