Start with folding the cardstock in half vertically then horizontally to create four squares. (Dotted lines show crease lines.) Fold in the four corners to the center of the cardstock. Crease well.

Bloom patterns could be useful, as engineers build folding structures to send to outer space. They’re also very pretty. Researchers have now found a new class of origami that they call bloom patterns, ...

The folding pattern, known as the Miura-ori, is a periodic way to tile the plane using the simplest mountain-valley fold in origami. It was used as a decorative item in clothing at least as long ago ...