Soft copper wire: wire size to make pendant diameter 3cm 20 gauge (wire diameter 0.8mm): 40cm (16 inch) 28 gauge (wire diameter 0.3mm): 20cm (8 inch) Use a cylindrical object with a diameter of 1.2cm ...

A new family of origami shapes that unfold like flower petals could be used to design more effective structures in space, like telescopes or solar panels. Origami structures, based on the Japanese ...