A production system for producing a composite fiber component, in particular a wind turbine blade, comprising: a working surface; an optical device for optically capturing features (12, 13, 14) of the working surface and/or of plies (4 - 7) laid on the working surface, said plies (4 - 7) comprising fiber material; a computing device for determining a parameter of the captured features (12, 13, 14) and a comparative result depending on a comparison of the determined parameter and a reference parameter; a feedback device configured to give feedback depending on the comparative result; a projector device for projecting a pattern of light on the working surface and/or on an upwardly exposed surface of a ply (4 - 7) to guide placement of plies (4 - 7) on the working surface and/or on said ply (4 - 7); and a control device, characterized in that the control device is configured for controlling: the projector device to project a k th pattern corresponding to a target position of a k th ply, and, at the same time, to project a j th pattern corresponding to a target position of a j th ply; the optical device for optically capturing features (12, 13, 14) of the k th and j th ply (4 - 7) laid on the working surface; the computing device for determining a position of the captured features and a comparative result depending on a comparison of the determined position and a reference position for the k th and j th ply (5, 7) respectively; and the feedback device to give feedback depending on the respective comparative result; wherein k is incremented from 1 to N, with N designating the total number of plies (4, 5) making up a first portion of the composite component to be produced, and j is incremented from 1 to M, with M designating the total number of plies (6, 7) making up a second portion of the composite component to be produced. a working surface; an optical device for optically capturing features (12, 13, 14) of the working surface and/or of plies (4 - 7) laid on the working surface, said plies (4 - 7) comprising fiber material; a computing device for determining a parameter of the captured features (12, 13, 14) and a comparative result depending on a comparison of the determined parameter and a reference parameter; a feedback device configured to give feedback depending on the comparative result; a projector device for projecting a pattern of light on the working surface and/or on an upwardly exposed surface of a ply (4 - 7) to guide placement of plies (4 - 7) on the working surface and/or on said ply (4 - 7); and a control device, characterized in that the control device is configured for controlling: the projector device to project a k th pattern corresponding to a target position of a k th ply, and, at the same time, to project a j th pattern corresponding to a target position of a j th ply; the optical device for optically capturing features (12, 13, 14) of the k th and j th ply (4 - 7) laid on the working surface; the computing device for determining a position of the captured features and a comparative result depending on a comparison of the determined position and a reference position for the k th and j th ply (5, 7) respectively; and the feedback device to give feedback depending on the respective comparative result; wherein k is incremented from 1 to N, with N designating the total number of plies (4, 5) making up a first portion of the composite component to be produced, and j is incremented from 1 to M, with M designating the total number of plies (6, 7) making up a second portion of the composite component to be produced. the projector device to project a k th pattern corresponding to a target position of a k th ply, and, at the same time, to project a j th pattern corresponding to a target position of a j th ply; the optical device for optically capturing features (12, 13, 14) of the k th and j th ply (4 - 7) laid on the working surface; the computing device for determining a position of the captured features and a comparative result depending on a comparison of the determined position and a reference position for the k th and j th ply (5, 7) respectively; and the feedback device to give feedback depending on the respective comparative result; wherein k is incremented from 1 to N, with N designating the total number of plies (4, 5) making up a first portion of the composite component to be produced, and j is incremented from 1 to M, with M designating the total number of plies (6, 7) making up a second portion of the composite component to be produced.