#Cupholder #cardboard #Contests #Coffee #Buymeacoffee #McDonald #takeaway The idea is this: take the classic fast-food cardboard cup carrier and recreate it as a 3D-printed version, keeping the familiar shape but making it reusable and more durable. 👉 The main difference is an integrated spring system that applies a light lateral pressure on the cups, in order to: lock them more securely in place reduce vibrations and movement during transport adapt to slight variations in diameter The goal is not to reinvent the product, but to optimize a well-proven disposable item, making it more functional and long-lasting.