| 0,0 → 1,49 |
|---|
| r = 35; |
| h = 20.32; |
| thickness = 2; |
| |
| shield_cap(r,h,thickness); |
| |
| module shield_cap(r,h,thickness){ |
| difference(){ |
| top(r,h); |
| translate([0,0,-thickness]){top(r-thickness,h-thickness);} |
| } |
| intersection(){ |
| union(){ |
| difference(){ |
| 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]);} |
| } |
| rotate([0,0,45]){cube([sqrt(2*pow(r/1.6,2))-thickness*2,sqrt(2*pow(r/1.6,2))-thickness*2,h*2],center=true);} |
| } |
| rotate([0,0,45]){ |
| translate([0,0,h/2]){ |
| difference(){ |
| cube([sqrt(2*pow(r/1.6,2)),sqrt(2*pow(r/1.6,2)),h],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); |
| } |
| } |
| } |
| } |
| |
| translate([0,0,-thickness]){top(r-thickness,h-thickness);} |
| } |
| } |
| |
| module top(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);} |
| } |
| } |
| } |
| |
| } |