A folding apparatus for forming a substrate comprising a discrete substrate including a rugosity, the folding apparatus comprising: a folding roll comprising: a first roll surface, and a second roll surface opposite the first roll surface, wherein at least one of the first roll surface and the second roll surface define an external vacuum portion; an outer circumferential surface extending between the first roll surface and the second roll surface; a receiving portion defined by the outer circumferential surface, wherein the receiving portion comprises a side wall, a base surface, and an internal vacuum portion disposed on at least one of the side wall and the base surface, wherein the external vacuum portion is operatively connected to the internal vacuum portion, and wherein the folding roll is configured to rotate about a central longitudinal roll axis, and wherein the outer circumferential surface is positioned at an outer radius from the central longitudinal roll axis; a folding member configured to associate with the receiving portion of the folding roll, the folding member comprising: a first surface; a second surface opposite the first surface configured to associate with the base surface of the receiving portion; a groove portion disposed in a portion of the first surface, wherein the groove portion comprises a first groove including a first groove edge portion and a second groove edge portion; a plurality of apertures disposed on the first surface, wherein the plurality of apertures comprises a first portion of apertures adjacent to the first groove edge portion and a second portion of apertures disposed within the groove portion; a first side surface and a second side surface opposite the first side surface, wherein at least one of the first side surface and the second side surface includes a vacuum portion operatively connected to the plurality of apertures; and a bonding portion disposed on the first surface of the folding member. a folding roll comprising: a first roll surface, and a second roll surface opposite the first roll surface, wherein at least one of the first roll surface and the second roll surface define an external vacuum portion; an outer circumferential surface extending between the first roll surface and the second roll surface; a receiving portion defined by the outer circumferential surface, wherein the receiving portion comprises a side wall, a base surface, and an internal vacuum portion disposed on at least one of the side wall and the base surface, wherein the external vacuum portion is operatively connected to the internal vacuum portion, and wherein the folding roll is configured to rotate about a central longitudinal roll axis, and wherein the outer circumferential surface is positioned at an outer radius from the central longitudinal roll axis; a first roll surface, and a second roll surface opposite the first roll surface, wherein at least one of the first roll surface and the second roll surface define an external vacuum portion; an outer circumferential surface extending between the first roll surface and the second roll surface; a receiving portion defined by the outer circumferential surface, wherein the receiving portion comprises a side wall, a base surface, and an internal vacuum portion disposed on at least one of the side wall and the base surface, wherein the external vacuum portion is operatively connected to the internal vacuum portion, and wherein the folding roll is configured to rotate about a central longitudinal roll axis, and wherein the outer circumferential surface is positioned at an outer radius from the central longitudinal roll axis; a folding member configured to associate with the receiving portion of the folding roll, the folding member comprising: a first surface; a second surface opposite the first surface configured to associate with the base surface of the receiving portion; a groove portion disposed in a portion of the first surface, wherein the groove portion comprises a first groove including a first groove edge portion and a second groove edge portion; a plurality of apertures disposed on the first surface, wherein the plurality of apertures comprises a first portion of apertures adjacent to the first groove edge portion and a second portion of apertures disposed within the groove portion; a first side surface and a second side surface opposite the first side surface, wherein at least one of the first side surface and the second side surface includes a vacuum portion operatively connected to the plurality of apertures; and a bonding portion disposed on the first surface of the folding member. a first surface; a second surface opposite the first surface configured to associate with the base surface of the receiving portion; a groove portion disposed in a portion of the first surface, wherein the groove portion comprises a first groove including a first groove edge portion and a second groove edge portion; a plurality of apertures disposed on the first surface, wherein the plurality of apertures comprises a first portion of apertures adjacent to the first groove edge portion and a second portion of apertures disposed within the groove portion; a first side surface and a second side surface opposite the first side surface, wherein at least one of the first side surface and the second side surface includes a vacuum portion operatively connected to the plurality of apertures; and a bonding portion disposed on the first surface of the folding member.