DigiCut designed and measured 18 unique patterns for the 2019 GMC Sierra HD 2500/3500 P/U. Those patterns are Back Glass, 1 piece, Back Glass, 3 piece Slider, Center, Power, Back Glass, 3 piece Slider, Left, Power, Back Glass, 3 piece Slider, Power, Back Glass, 3 piece Slider, Right, Power, Front Roll-up, Left, Front Roll-up, Right, Front Roll-ups, Left & Right, Windshield, Exterior, 1 piece, Option 1, Windshield, Eyebrow, Option 1, Windshield, Eyebrow, Option 1 Straight, Windshield, Eyebrow, Option 2, Windshield, Eyebrow, Option 2 Straight, Windshield, Eyebrow, Option 3, Windshield, Eyebrow, Option 3 Straight, Windshield, Internal, 1 Piece, Option 1, Windshield, Internal, 1 Piece, Option 2, and Windshield, Internal, 1 Piece, Option 3.