Additive fabrication apparatus and method

摘要: An additive fabrication apparatus using a fluid construction material which can be solidified, and including extrusion assembly trowels defining first second surfaces, nozzle for delivering to predetermined location, control moving the along path an enclosed area, supply extrude from in layer as is moved path, with surfaces produce wall of extruded forming area shaped outer surface top surface, position at fill area. A method fabrication, automated.