Curved tetrahedron origami

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Spurred by my earlier post about Arthur Silverman's tetrahedron-based sculptures, BB reader Philip Chapman-Bell points us to his beautiful stellated curved tetrahedron origami. He's posted a crease pattern so you can fold your own!
Link

Previously on BB:
• MIT origami competition Link
• Origami full-sized house Link
• All shapes in origami Link
• Robot origami Link