If your coffee enthusiasm extends to grinding your own direct from the bean, then [Christian Pederkoff]’s project should hit the mark, he’s created a rather neat 3D-printed coffee grinder.

It sounds like science fiction. Marvel Labs converts disused waste—including seaweed, coffee grounds, and sawdust—and processes it for use in a 3D printing technique called binder jetting.

Researchers used a customised 3D printer to create an OLED display. Two methods of 3D printing were deployed to successfully print the display. Let’s take a look at how the technology works and ...