To Explore in Augmented Reality:[br][br]1) Open up GeoGebra 3D app on your device. [br][br]2) Go to MENU (upper left corner). Select OPEN. [br] Under SEARCH, type [b]tf4fyktn[br][/b] (Note this string of characters is in this GeoGebra resource URL). [br][br]3) Select the only 1 option that appears. [br] Reposition the dodecahedron (if necessary) on your device. [br][br]4) The [b]CreateNet[/b] slider unfolds this 3D solid into its net and vice versa. [br]