A nozzle and system for manufacturing composite sandwich panels, including an input port configured to receive a fluidic production material for forming a composite sandwich panel; a branching element coupled to the input port, wherein the production material that enters the branching element is output from a first end and a second end of the branching element; and an elongate tubular member coupled to the first end and the second end of the branching element for receiving the production material, wherein the elongate tubular member has a first end; a second end and a plurality of openings formed in the elongate tubular member such that the received production material is output through the plurality of openings. In another embodiment, the nozzle includes a second plurality of openings formed in the elongate tubular member.