3D Hand Demo Kit Ageing or chronic strain may have adverse impacts on lower arms and finger joints, especially those who have suffered from stroke. Leveraging 3D printing technologies, customised 3D hand demo kit can be made to facilitate daily lives of the needy. • Customised 3D hand demo kit is adjustable in size, catering for the needs of different users. • It can be used for facilitating daily lives and training, as well as expediting rehabilitation of those in need.