How To: Origami a stellated (star-shaped) octahedron

These adorable origami stellated octahedrons commonly provoke fits of jealousy within real stars, who envy their smooth folds and pretty peaks.

Learn how to fold a stellated octahedron with this easy tutorial. Then, when you've perfected your origami star-folding skills, create an entire galaxy of these origami stars to hang from your ceiling for a cool space-y effect.
Picture of folded model: http://www.happyfolding.com/gallery-montroll-stellated_octahedron

Recommended paper size: 15cm x 15cm (approx. 6in x 6in)
Resulting model: diameter of 6cm (approx. 2.5in)