0,0 → 1,92 |
r = 35; |
h = 20.32; |
thickness = 2; |
|
/* |
for(i=[[0,1],[1,-1],[2,1],[3,-1]]){ |
rotate([0,0,90*i[1]]){translate([0,0,i[0]*h]){shield_part();}} |
}*/ |
|
|
shield_part(); |
|
module shield_part(){ |
difference(){ |
difference(){ |
translate([0,0,0.01]){scale(0.999){part(r,h);}} |
resize([2*r-thickness*2,2*r-thickness*2,0]){part(r,h);} |
} |
union(){ |
translate([0,0,1.3*h-h/8]){cube([2*r/1.5,thickness,0.3*h],center=true); |
cube([thickness,2*r/1.5,0.3*h],center=true);} |
} |
} |
|
difference(){ |
difference(){ |
intersection(){ |
union(){ |
translate([-thickness/2,thickness-r,0]){cube([thickness,2*r-thickness*2,h]);} |
translate([thickness-r,-thickness/2,0]){cube([2*r-thickness*2,thickness,h]);} |
} |
resize([2*r-thickness*2,2*r-thickness*2,0]){part(r,h);} |
} |
translate([0,0,-0.1]){cylinder(h=h,r=r/1.6-thickness,$fn=100);} |
} |
cylinder(h=h*2,r1=r/1.6-2*thickness,r2=r*0.8,$fn=100); |
} |
rotate([0,0,45]){ |
translate([0,0,h/6]){ |
union(){ |
difference(){ |
difference(){ |
cube([sqrt(2*pow(r/1.6,2)),sqrt(2*pow(r/1.6,2)),h/3],center=true); |
cube([sqrt(2*pow(r/1.6,2))-thickness*2,sqrt(2*pow(r/1.6,2))-thickness*2,h/2],center=true); |
} |
rotate([0,90,0]){ |
translate([0,(sqrt(2*pow(r/1.6,2))+thickness)/4,0]){ |
cube([1.5*thickness,4*thickness,sqrt(2*pow(r/1.6,2)+thickness)+thickness],center=true); |
} |
} |
} |
translate([(sqrt(2*pow(r/1.6,2))-thickness*3)/2,-(sqrt(2*pow(r/1.6,2))+thickness)/4,2.9*h/6]){ |
cube([thickness,thickness*3.95,h*1.3],center=true);} |
translate([-(sqrt(2*pow(r/1.6,2))-thickness*3)/2,-(sqrt(2*pow(r/1.6,2))+thickness)/4,2.9*h/6]){ |
cube([thickness,thickness*3.95,h*1.3],center=true);} |
|
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]){ |
rotate([0,0,90]){ |
difference(){ |
cube([thickness*3.95,thickness,thickness],center=true); |
translate([-thickness*2,thickness/2,-thickness/2]){rotate([45,0,0]){cube(thickness*4);}} |
} |
} |
} |
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]){ |
rotate([0,0,-90]){ |
difference(){ |
cube([thickness*3.95,thickness,thickness],center=true); |
translate([-thickness*2,thickness/2,-thickness/2]){rotate([45,0,0]){cube(thickness*4);}} |
} |
} |
} |
} |
} |
} |
} |
|
module part(r,h){ |
difference(){ |
intersection(){ |
translate([-r,-r,0]){cube([2*r,2*r,h]);} |
cylinder(h=h, r=r,$fn=100); |
} |
translate([0,0,h/5]){ |
difference(){ |
translate([-r,-r,0]){cube([r*2,r*2,h+1]);} |
resize([0,0,h*5/3]){sphere(r=r,$fn=100);} |
} |
} |
} |
cylinder(h=1.3*h,r=r/1.5,$fn=100); |
} |