Bolivian toymaker restores limbs, dignity with 3D-printing
LA PAZ, Jan 21 — As a child rising up in poverty in rural Bolivia, Roly Mamani constructed his personal toys. Now a 34-year-old engineer,...
LA PAZ, Jan 21 — As a child rising up in poverty in rural Bolivia, Roly Mamani constructed his personal toys. Now a 34-year-old engineer,...