Patent ID: 8403658

Claim:
A consumable assembly for use in an extrusion-based layered deposition system, the consumable assembly comprising: a pump portion configured to be inserted in a mount of the extrusion-based layered deposition system to extrude a material of a filament in a molten state, wherein the pump portion comprises an electrical connection configured to receive electrical power from the extrusion-based layered deposition system when the pump portion is inserted in the mount; a container portion configured to retain a supply of the filament, wherein the container portion is configured to be offset from the pump portion when the pump portion is inserted in the mount; and a guide tube interconnecting the container portion and the pump portion, wherein the guide tube is configured to guide the filament from the container portion to the pump portion; wherein the pump portion, the guide tube, and the container portion are configured to be removed together from use with the extrusion-based layered deposition system.