![Coffee Grounds in 3D-printing](https://www.robinage.com/wp-content/uploads/2023/10/coffee_potted-800x533.jpg)
![Coffee Grounds in 3D-printing](https://www.robinage.com/wp-content/uploads/2023/10/coffee_potted-800x533.jpg)
Researchers at the University of Colorado Boulder in the USA have come up with a 3D printing technique, which uses a paste composed of water, coffee grounds and other sustainable ingredients.
Did You Know?
Coffee grounds are used as a natural skin exfoliator.