Rev Author Line No. Line
3880 vinchi9 1 r = 35;
2 h = 20.32;
3 thickness = 2;
4  
5 shield_bottom();
6 //color("blue"){rotate([0,0,45]){translate([0,-(sqrt(2*pow(r/1.6,2))+thickness)/4,thickness+30]){cube([10,2,60],center=true);}}}
7  
8  
9 module shield_bottom(){
10 difference(){
11 difference(){
12 translate([0,0,0.01]){scale(0.999){cylinder(h=1.3*h,r=r/1.5,$fn=100);}}
13 cylinder(h=1.3*h,r=r/1.5-thickness,$fn=100);
14 }
15 union(){
16 translate([0,0,1.3*h-h/8]){cube([2*r/1.5,thickness,0.3*h],center=true);
17 cube([thickness,2*r/1.5,0.3*h],center=true);}
18 translate([(sqrt(2*pow(r/1.6,2))-thickness*3)/2,0,19]){rotate([90,0,-45]){cylinder(h=r*2,r=1,$fn=100,center=true);}}
19 }
20 }
21  
22 rotate([0,0,45]){
23 translate([0,0,h/6]){
24 translate([(sqrt(2*pow(r/1.6,2))-thickness*3)/2,-(sqrt(2*pow(r/1.6,2))+thickness)/4,2.9*h/6]){
25 cube([thickness,thickness*3.95,h*1.3],center=true);}
26 translate([-(sqrt(2*pow(r/1.6,2))-thickness*3)/2,-(sqrt(2*pow(r/1.6,2))+thickness)/4,2.9*h/6]){
27 cube([thickness,thickness*3.95,h*1.3],center=true);}
28  
29 translate([-(sqrt(2*pow(r/1.6,2))-thickness*3)/2-thickness,-(sqrt(2*pow(r/1.6,2))+thickness)/4,h-(1.5*thickness/6)+0.05]){
30 rotate([0,0,90]){
31 difference(){
32 cube([thickness*3.95,thickness,thickness],center=true);
33 translate([-thickness*2,thickness/2,-thickness/2]){rotate([45,0,0]){cube(thickness*4);}}
34 }
35 }
36 }
37 translate([(sqrt(2*pow(r/1.6,2))-thickness*3)/2+thickness,-(sqrt(2*pow(r/1.6,2))+thickness)/4,h-(1.5*thickness/6)+0.05]){
38 rotate([0,0,-90]){
39 difference(){
40 cube([thickness*3.95,thickness,thickness],center=true);
41 translate([-thickness*2,thickness/2,-thickness/2]){rotate([45,0,0]){cube(thickness*4);}}
42 }
43 }
44 }
45 }
46 difference(){
47 translate([0,-(sqrt(2*pow(r/1.6,2))+thickness)/4,thickness+5]){cube([10+2*thickness,2+2*thickness,10],center=true);}
48 translate([0,-(sqrt(2*pow(r/1.6,2))+thickness)/4,thickness+30]){cube([10,2,60],center=true);}
49 }
50 }
51 difference(){
52 cylinder(h=thickness,r=r/1.5-thickness,$fn=100);
53 translate([-5,5,0]){cylinder(h=thickness*3,r=6,$fn=100,center=true);}
54 }
55 difference(){
56 difference(){
57 rotate([0,0,-45]){translate([-50-r/1.5,0,7.5]){cube([120,15,15],center=true);}}
58 cylinder(h=3*h,r=r/1.5-thickness,$fn=100,center=true);
59 }
60 rotate([0,0,-45]){translate([-140,0,0]){cylinder(h=3*20,r=10,center=true,$fn=100);}}
61 }
62 difference(){
63 rotate([0,0,-45]){translate([-140,0,0]){
64 difference(){
65 union(){
66 difference(){
67 cylinder(h=20,r=14,$fn=100);
68 cylinder(h=3*20,r=10,center=true,$fn=100);
69 }
70 difference(){
71 translate([2+1,0,10]){cube([4,50,20],center=true);}
72 cylinder(h=3*20,r=10,center=true,$fn=100);
73 }
74 }
75 translate([-15+1,0,10]){cube(30,center=true);}
76 }
77 }
78 }
79 union(){
80 rotate([0,0,-45]){translate([-140,19.5,10]){rotate([0,90,0]){cylinder(h=10,r=3,$fn=100);}}}
81 rotate([0,0,-45]){translate([-140,-19.5,10]){rotate([0,90,0]){cylinder(h=10,r=3,$fn=100);}}}
82 }
83 }
84 }