A sealant-applicator tip , comprising: a body , having a plane of symmetry , wherein the body comprises an inlet opening and a medial axis , comprising at least one inflection point ; a head , extending from the body opposite the inlet opening , wherein the head comprises: a first planar face , comprising a first linear edge ; a second planar face , oriented at a first non-zero angle to the first planar face and comprising a second linear edge , wherein the first linear edge of the first planar face and the second linear edge of the second planar face lie in a virtual flat plane ; a third face , separating the first planar face from the second planar face , wherein the third face comprises a third edge , wherein the third edge lies in the virtual flat plane ; a fourth face , comprising a fourth edge ; a fifth edge , shared by the first planar face and the fourth face ; a sixth edge , shared by the second planar face and the fourth face ; a seventh edge , shared by the third face and the fourth face an eighth edge shared between the first planar face and the third face ; and an outlet opening , formed in the third face , wherein the outlet opening is in communication with the inlet opening of the body ; and a channel , extending from the inlet opening of the body to the outlet opening of the head ; wherein the at least one inflection point is a transition point between a concave portion and a convex portion of a line or segment of the medial axis of the body. a body , having a plane of symmetry , wherein the body comprises an inlet opening and a medial axis , comprising at least one inflection point ; a head , extending from the body opposite the inlet opening , wherein the head comprises: a first planar face , comprising a first linear edge ; a second planar face , oriented at a first non-zero angle to the first planar face and comprising a second linear edge , wherein the first linear edge of the first planar face and the second linear edge of the second planar face lie in a virtual flat plane ; a third face , separating the first planar face from the second planar face , wherein the third face comprises a third edge , wherein the third edge lies in the virtual flat plane ; a fourth face , comprising a fourth edge ; a fifth edge , shared by the first planar face and the fourth face ; a sixth edge , shared by the second planar face and the fourth face ; a seventh edge , shared by the third face and the fourth face an eighth edge shared between the first planar face and the third face ; and an outlet opening , formed in the third face , wherein the outlet opening is in communication with the inlet opening of the body ; and a first planar face , comprising a first linear edge ; a second planar face , oriented at a first non-zero angle to the first planar face and comprising a second linear edge , wherein the first linear edge of the first planar face and the second linear edge of the second planar face lie in a virtual flat plane ; a third face , separating the first planar face from the second planar face , wherein the third face comprises a third edge , wherein the third edge lies in the virtual flat plane ; a fourth face , comprising a fourth edge ; a fifth edge , shared by the first planar face and the fourth face ; a sixth edge , shared by the second planar face and the fourth face ; a seventh edge , shared by the third face and the fourth face an eighth edge shared between the first planar face and the third face ; and an outlet opening , formed in the third face , wherein the outlet opening is in communication with the inlet opening of the body ; and a channel , extending from the inlet opening of the body to the outlet opening of the head ; wherein the at least one inflection point is a transition point between a concave portion and a convex portion of a line or segment of the medial axis of the body. <EOS>