OpenSCAD 建模：矿泉水瓶花洒

　　下载地址：https://github.com/ZhangGaoxing/openscad-models/tree/master/Sprinkle

　　代码：

module screw(r=){
    for(g=[::]){
        translate([cos(g)*r,sin(g)*r,(g)/])
        rotate(a=[,,g])
        cylinder(.,.,.,center=true,$fn=);
    }
}

module cylinderWithScrew(){
    union(){
        // Cylinder shell
        difference(){
            cylinder(,16.5,16.5,$fn=);
            cylinder(,15.5,15.5,$fn=);
        }

        // Screw
        union(){
            translate([,,])screw();
            translate([,,])rotate([,,])screw();
            translate([,,])rotate([,,])screw();
        }
    }
}

module sprinklerWall(){
    difference(){
        cylinder(,,16.5,$fn=);
        cylinder(,33.5,15.5,$fn=);

        rotate([,,])translate([,,])cylinder(,1.5,1.5,$fn=);
    }
}

module sprinklerBottom(){
    difference(){
        cylinder(,,,$fn=);

        cylinder(,,,$fn=);

        for(i=[:0.2:0.8]){
            rotate(i*/0.8,[,,])
            translate([,,])
            cylinder(,,,$fn=);
        }

        for(i=[:0.2:1.6]){
            rotate(i*/1.6,[,,])
            translate([,,])
            cylinder(,,,$fn=);
        }

        for(i=[:0.2:2.4]){
            rotate(i*/2.4,[,,])
            translate([,,])
            cylinder(,,,$fn=);
        }

        for(i=[:0.2:3.2]){
            rotate(i*/3.2,[,,])
            translate([,,])
            cylinder(,,,$fn=);
        }

        for(i=[:0.2:]){
            rotate(i*/,[,,])
            translate([,,])
            cylinder(,,,$fn=);
        }
    }
}

union(){
    sprinklerBottom();
    translate([,,])sprinklerWall();
    translate([,,])cylinderWithScrew();
}

　　效果图：