| 0,0 → 1,84 |
|---|
| r = 35; |
| h = 20.32; |
| thickness = 2; |
| |
| shield_bottom(); |
| //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);}}} |
| |
| |
| module shield_bottom(){ |
| difference(){ |
| difference(){ |
| translate([0,0,0.01]){scale(0.999){cylinder(h=1.3*h,r=r/1.5,$fn=100);}} |
| cylinder(h=1.3*h,r=r/1.5-thickness,$fn=100); |
| } |
| 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);} |
| translate([(sqrt(2*pow(r/1.6,2))-thickness*3)/2,0,19]){rotate([90,0,-45]){cylinder(h=r*2,r=1,$fn=100,center=true);}} |
| } |
| } |
| |
| rotate([0,0,45]){ |
| translate([0,0,h/6]){ |
| translate([(sqrt(2*pow(r/1.6,2))-thickness*3)/2,-(sqrt(2*pow(r/1.6,2))+thickness)/4,2.9*h/6]){ |
| cube([thickness,thickness*3.95,h*1.3],center=true);} |
| translate([-(sqrt(2*pow(r/1.6,2))-thickness*3)/2,-(sqrt(2*pow(r/1.6,2))+thickness)/4,2.9*h/6]){ |
| cube([thickness,thickness*3.95,h*1.3],center=true);} |
| |
| translate([-(sqrt(2*pow(r/1.6,2))-thickness*3)/2-thickness,-(sqrt(2*pow(r/1.6,2))+thickness)/4,h-(1.5*thickness/6)+0.05]){ |
| rotate([0,0,90]){ |
| difference(){ |
| cube([thickness*3.95,thickness,thickness],center=true); |
| translate([-thickness*2,thickness/2,-thickness/2]){rotate([45,0,0]){cube(thickness*4);}} |
| } |
| } |
| } |
| translate([(sqrt(2*pow(r/1.6,2))-thickness*3)/2+thickness,-(sqrt(2*pow(r/1.6,2))+thickness)/4,h-(1.5*thickness/6)+0.05]){ |
| rotate([0,0,-90]){ |
| difference(){ |
| cube([thickness*3.95,thickness,thickness],center=true); |
| translate([-thickness*2,thickness/2,-thickness/2]){rotate([45,0,0]){cube(thickness*4);}} |
| } |
| } |
| } |
| } |
| difference(){ |
| translate([0,-(sqrt(2*pow(r/1.6,2))+thickness)/4,thickness+5]){cube([10+2*thickness,2+2*thickness,10],center=true);} |
| translate([0,-(sqrt(2*pow(r/1.6,2))+thickness)/4,thickness+30]){cube([10,2,60],center=true);} |
| } |
| } |
| difference(){ |
| cylinder(h=thickness,r=r/1.5-thickness,$fn=100); |
| translate([-5,5,0]){cylinder(h=thickness*3,r=6,$fn=100,center=true);} |
| } |
| difference(){ |
| difference(){ |
| rotate([0,0,-45]){translate([-50-r/1.5,0,7.5]){cube([120,15,15],center=true);}} |
| cylinder(h=3*h,r=r/1.5-thickness,$fn=100,center=true); |
| } |
| rotate([0,0,-45]){translate([-140,0,0]){cylinder(h=3*20,r=10,center=true,$fn=100);}} |
| } |
| difference(){ |
| rotate([0,0,-45]){translate([-140,0,0]){ |
| difference(){ |
| union(){ |
| difference(){ |
| cylinder(h=20,r=14,$fn=100); |
| cylinder(h=3*20,r=10,center=true,$fn=100); |
| } |
| difference(){ |
| translate([2+1,0,10]){cube([4,50,20],center=true);} |
| cylinder(h=3*20,r=10,center=true,$fn=100); |
| } |
| } |
| translate([-15+1,0,10]){cube(30,center=true);} |
| } |
| } |
| } |
| union(){ |
| rotate([0,0,-45]){translate([-140,19.5,10]){rotate([0,90,0]){cylinder(h=10,r=3,$fn=100);}}} |
| rotate([0,0,-45]){translate([-140,-19.5,10]){rotate([0,90,0]){cylinder(h=10,r=3,$fn=100);}}} |
| } |
| } |
| } |