view {
    units [2]< 1, 0.5 >;
    dotsPerUnit [2]< 150, 150 >;
    viewDepth 7; 
    viewport {
        portal myportal {
            universe u2 ;
            center [1]< -18 >;
            orientation [4]<
                [4]< 1, 0, 0, 0 >,
                [4]< 0, 1, 0, 0 >,
                [4]< 0, 0, 0, 1 >,
                [4]< 0, 0, 1, 0 >
            >;
        };
        channels [3]< @ myportal 0 , @ myportal 1 , @ myportal 2 >;
    };
    image png { common { basename icosa-2; }; };
};
universe u2 {
    dimensions 2;
    
    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 2;
        
    object set {
        object coxeter {
            matrix [2]<
                [2]< 0, 5 >,
                [2]< 5, 1 >
            >;
            base {
                orientation [5]<
                    [5]< -1,  1,  2,  0,  0 >,
                    [5]<  1,  1,  0,  0,  0 >,
                    [5]< -1,  1, -1,  0,  0 >,
                    [5]<  0,  0,  0, -2, -1 >,
                    [5]<  0,  0,  0,  1, -2 >
                >;
                scale [7]< 1.1, 1.1, 1.1, 1.1, 1.1, 1.1, 1.1 >;
                color {
                    channels [3]< 0.3 , 0.7 , 0.5 >;
                    specularness 0.3;
                };
            };
        };
        base {
            orientation [1]< [2]< 1, 3 > >;
        };
    };

    };
};

view {
    units [2]< 1, 1 >;
    dotsPerUnit [2]< 150, 150 >;
    viewDepth 7; 
    viewport {
        portal myportal {
            universe u3 ;
            center [1]< -18 >;
        };
        channels [3]< @ myportal 0 , @ myportal 1 , @ myportal 2 >;
    };
    image png { common { basename icosa-3; }; };
};
universe u3 {
    dimensions 3;
    
    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 3;
        
    object coxeter {
        matrix [3]<
            [3]< 0, 5, 0 >,
            [3]< 5, 0, 3 >,
            [3]< 0, 3, 1 >
        >;
        base {
            orientation [5]<
                [5]< -1,  1,  2,  0,  0 >,
                [5]<  1,  1,  0,  0,  0 >,
                [5]< -1,  1, -1,  0,  0 >,
                [5]<  0,  0,  0, -2, -1 >,
                [5]<  0,  0,  0,  1, -2 >
            >;
            scale [7]< 1.1, 1.1, 1.1, 1.1, 1.1, 1.1, 1.1 >;
            color {
                channels [3]< 0.3 , 0.7 , 0.5 >;
                specularness 0.3;
            };
        };
    };

    };
};

view {
    units [3]< 1, 1, 1 >;
    dotsPerUnit [3]< 150, 150, 9 >;
    viewDepth 7; 
    viewport {
        portal myportal {
            universe u4 ;
            center [1]< -18 >;
        };
        channels [3]< @ myportal 0 , @ myportal 1 , @ myportal 2 >;
    };
    image png { common { basename icosa-4; }; };
};
universe u4 {
    dimensions 4;
    
    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 4;
        
    object coxeter {
        matrix [4]<
            [4]< 0, 5, 0, 0 >,
            [4]< 5, 0, 3, 0 >,
            [4]< 0, 3, 0, 3 >,
            [4]< 0, 0, 3, 1 >
        >;
        base {
            orientation [5]<
                [5]< -1,  1,  2,  0,  0 >,
                [5]<  1,  1,  0,  0,  0 >,
                [5]< -1,  1, -1,  0,  0 >,
                [5]<  0,  0,  0, -2, -1 >,
                [5]<  0,  0,  0,  1, -2 >
            >;
            scale [7]< 1.1, 1.1, 1.1, 1.1, 1.1, 1.1, 1.1 >;
            color {
                channels [3]< 0.3 , 0.7 , 0.5 >;
                specularness 0.3;
            };
        };
    };

    };
};