The 3D printer Arra printing in clay at the opening of the first Ceramics and its Dimensions: Shaping the Future exhibition in Fiskars, Finland in November 2016. Project Arra is a work in progress printer prototype based on clay extrusion method, which is the most common method for producing clay 3D printed parts. Clay is pushed through a nozzle and deposited layer by layer to form a 3D shape.

Ashish Mohite, Pravin Luthada, Bijan Mokhtari,
ADD Digital Design Laboratory, Aalto University, Espoo, Finland