A combustor panel (126, 128; 226, 326; 526) for use in a gas turbine engine comprising: a panel body having a first side (138; 238; 338; 538) and a second side; a plurality of cooling pins (140; 240; 340; 440; 540) extending from the first side, the plurality of cooling pins arranged in a pin array, wherein each cooling pin extends a first height from the first side of the panel body, has a pin diameter (β), and is separated from adjacent cooling pins of the pin array by a pin array separation distance (α); at least one structural protrusion (144; 244; 344; 444; 544) extending from the first side of the panel body, wherein no pins of the pin array are located at a position within a flashing distance (μ) that is equal to a protrusion separation distance (γ) plus one half of the pin diameter, wherein the protrusion separation distance is a predetermined minimum distance between an exterior surface of the at least one structural protrusion and an exterior surface of a cooling pin, and wherein a location of the pin is measured from a center point of the cooling pin to a closest point on the exterior surface of the at least one structural protrusion; characterized in that at least one pin array scallop integrally formed with the at least one structural protrusion, the at least one pin array scallop forming a radial depression or indentation, being a material cut-out along an exterior or circumference of the structural protrusion on the at least one structural protrusion, such that each cooling pin of the pin array that is closest to the at least one structural protrusion is positioned no closer than the pin array separation distance from the at least one structural protrusion. a panel body having a first side (138; 238; 338; 538) and a second side; a plurality of cooling pins (140; 240; 340; 440; 540) extending from the first side, the plurality of cooling pins arranged in a pin array, wherein each cooling pin extends a first height from the first side of the panel body, has a pin diameter (β), and is separated from adjacent cooling pins of the pin array by a pin array separation distance (α); at least one structural protrusion (144; 244; 344; 444; 544) extending from the first side of the panel body, wherein no pins of the pin array are located at a position within a flashing distance (μ) that is equal to a protrusion separation distance (γ) plus one half of the pin diameter, wherein the protrusion separation distance is a predetermined minimum distance between an exterior surface of the at least one structural protrusion and an exterior surface of a cooling pin, and wherein a location of the pin is measured from a center point of the cooling pin to a closest point on the exterior surface of the at least one structural protrusion; characterized in that at least one pin array scallop integrally formed with the at least one structural protrusion, the at least one pin array scallop forming a radial depression or indentation, being a material cut-out along an exterior or circumference of the structural protrusion on the at least one structural protrusion, such that each cooling pin of the pin array that is closest to the at least one structural protrusion is positioned no closer than the pin array separation distance from the at least one structural protrusion.