Open/Closed – An ingenious 3D printed sign
![](https://archive.org/download/open-closed-sign-6/open-closed-sign-6.gif)
Open/Closed – An ingenious 3D printed sign
Reviewed by Unknown
on
5/31/2017 05:29:00 AM
Rating:
Picture Of The Day Daily photos, including photos of animals, people, culture, adventure, science, travel, underwater, exploration, and more