GaeaStar’s 3D-Printed Clay Coffee Cups Are Disposable, but Can They Save Us From Microplastics?GaeaStar’s 3D-printed disposable clay cups are available in the US for the first time today, but only at Verve Coffee shops in San Francisco.2024.04.23GaeaStar’s 3D-printed disposable clay cups are available in the US for the first time today, but only at Verve Coffee shops in San Francisco.