basic dl44 muzzle attachment (under development)

dl44.scad

use <threads.scad>


test = true;
$fn = 32;

bottom_height=25;

add_to_muz=50;
thread_len = 10.16;

module bottom ()  {
    height = bottom_height;
    module threaded_hole () {
        english_thread(0.5,28,0.4,internal=true,leadin=3,test=test);
    }
        
    module outside () {
        cylinder(height,d=25.5, $fn=100);
    }
     
    module core () {
        translate([0,0,-0.5]) cylinder(height+1,d=10);
        //cylinder(25,d=10);
    }
    
    module chamfer_cut () {
        radius=2;
        translate([0,0,height-radius])
        rotate_extrude(angle=360, $fn=100)
        translate([25.5/2-radius,0,0])
        difference() {
            square(radius);
            circle(radius, $fn= 64);
        }
    }
        
    difference() {
        outside();
        core();
        threaded_hole();
        chamfer_cut();
    }
    
}

//bottom();


module top() {
    height = add_to_muz - (bottom_height - thread_len);
    
    echo("top height: ", height);
    
    translate([0,0,bottom_height])
    union() {
        difference() {
                cylinder(h=height,d1=12,d2=24);
                cylinder(h=height,d1=10,d2=22);
        };
        translate([0,0,height])
            rotate_extrude(angle=360)
            translate([11.5,0,0])
            circle(0.5);
    }
}

bottom();
top();

//cylinder(h=25,d=2,center=true);