which they use to 3D print objects: packing materials, pieces of a vase, a small statue. They inoculate the paste with Reishi mushroom spores, which grow on the objects to form that mycelial skin.

which they use to 3D print objects, such as packing materials and a vase. They inoculate the paste with Reishi mushroom spores, which turn the coffee grounds into a resilient, fully compostable ...