Dad creates bionic arms for 11-year-old son

11-year-old Jamie Miller was facing an 18-month wait for a bionic hand, until his father Callum decided to make his own using 3D printers. The resourceful father used YouTube videos and online forums to teach himself how to create nine sets of limbs. The pair designed each set together, taking inspiration from Batman and steampunk styles. Callum says the bionic arms have given Jamie more confidence and enabled him to hold and carry more things.