Spanish artist Sonia Verdu has created a 3D printed 'dragon knocker', an imitation iron door knocker shaped like the head of a dragon. The designer has shared her process and 3D printing files on Instructables.
Artist Turns Your Brainwaves Into 3D-Printed Sculptures
My brief intro! I am a 25 year old biological scientist in London with two amputated limbs following a train accident. Currently things are not good, but a surgical procedure can offer life-altering changes, so I am currently pursuing it. http://mbe.io/21ygwGk