S-Series Square Pyramid (C3PP) Spring Branch ISD Schools Houston, TX Huckabee C3PP: Horizon S-Series Double-Glazed Square Pyramid, Pinnacle 350 Framing System, 16', 7:12 Pitch. Glazing: 25mm Opal IR Multiwall Polycarbonate over 16mm Clear Multiwall Polycarbonate. Finish: Clear Anodize High-Res: 2824 x 3869 Low-Res: 747 x 1024