This 3D-printed cast shapes to your arm—and makes healing a broken bone more comfortable

Castomize’s open cast is breathable, lightweight, and fully waterproof.

Breaking your arm or wrist typically comes with another layer of misery: wearing a hot, itchy cast that makes showering tedious and swimming impossible. But in Singapore, patients at some hospitals and clinics now have another option—an open, 3D-printed cast that’s more comfortable to wear and fully waterproof.

Castomize, the Singapore-based startup behind the product, says that it’s also easier for doctors to use. To apply the cast, the medical team first heats it up to become soft and flexible. Then a doctor wraps it around the arm and clips it........

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