view {
    units [4]< 1, 1, 1, 1 >;
    dotsPerUnit [4]< 150, 150, 7, 7 >;
    viewDepth 7; 
    viewport {
        portal myportal {
            universe u5 ;
            center [1]< -18 >;
        };
        channels [3]< @ myportal 0 , @ myportal 1 , @ myportal 2 >;
    };
    image png { common { basename quad-2-5; }; };
};
universe u5 {
    dimensions 5;
    
    ambientLight {
        channels [3]< 0.1 , 0.1 , 0.1 >;
    };
    skyColor {
        channels [3]< 0.2 , 0.2 , 0.6 >;
    };
    light {
        position [4]< -10, 5, 14, -10 >;
        falloff 0.0;
        color {
            channels [3]< 0.4 , 0.4 , 0.4 >;
        };
    };
    light {
        position [4]< -14, -8, 5, 10 >;
        falloff 0.0;
        color {
            channels [3]< 0.5 , 0.5 , 0.5 >;
        };
    };
    


    object extrusion {
        dimensions 5;
         object quadratic {
                    squares [5]<
                        [5]<  0,  1,  0,  0,  0 >,
                        [5]<  0, -1,  2,  0,  0 >,
                        [5]<  0,  0, -3,  0,  0 >,
                        [5]<  0,  0,  0,  1, -1 >,
                        [5]<  0,  0,  0,  0,  0 >
                    >;
                    linears [5]< 1, 0, 0, 0, -5 >;
                    scalar -1;
                    base {
                        color {
                            channels [3]< 0.1 , 0.9 , 0.7 >;
                            specularness 0.3;
                        };
                    };
                }; 
    };
};