a honeycomb core for dimensionally stable components in sandwich construction with a plurality of cells with a triangular cell cross section made from carbon fiber reinforced plastic . the honeycomb core is assembled from flat laminate strips by plugging , wherein the laminate strips have slots running transversely to the extension direction respectively on their longitudinal side . the laminate strips are connected to one another in such a way that the slots of three laminate strips engage in a positive - locking manner in one another at a respective intersection point to form the corners of the cells of the honeycomb core .