| http://www.w3.org/ns/prov#value | - Another embodiment of the present invention is a solid freeform fabrication process for building a colorful three-dimensional object comprising the steps of (1) providing a supply of at least one primary body-building material in filament form; (2) feeding each filament material to enter one end of a flow passage of a dispensing nozzle having a discharge orifice on another end; (3) operating a mul
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