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.
To create the "Mycofluid" paste, Luo mixed used coffee grounds with brown rice flour, Reishi mushroom spores, xanthan gum (a common food binder found in ice creams and salad dressings) and water ...