Semaforo LED Sand Glass

[image]https://leganerd.com/wp-content/uploads/LEGANERD_034243.jpeg[/image]
[image]https://leganerd.com/wp-content/uploads/LEGANERD_034244.jpeg[/image]

Idea carina, ma di difficile realizzazione queste Sand Glass LED Traffic Lights, design by Thanva Tivawong.

[spoiler][image]https://leganerd.com/wp-content/uploads/LEGANERD_034245.jpeg[/image][/spoiler]

[url=http://www.yankodesign.com/2010/11/18/sands-of-traffic-times/]via[/url]