98 lines
2.4 KiB
OpenSCAD
98 lines
2.4 KiB
OpenSCAD
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/* shroud options */
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wt = 3;
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tb = 40;
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bpt = 7;
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/* fan size */
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lf = 40;
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tf = 10;
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hd = 38;
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lhf = 32;
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rc = 4;
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/* heatsink size */
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lh = 30;
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wh = 26;
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th = 16;
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ofsx = 0;
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ofsy = 0;
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ofsz = 3.5;
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t= tb-bpt-tf;
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$fn= 100;
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module through(l=7, lh=3.3, lt=1, lb=1){
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union(){
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translate([0,0,l-lh])cylinder(h=lh+lt, d=5.6);
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translate([0,0,-lb])cylinder(h=l+lh+lb, d=3.5);
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}
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}
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module m3 (h=8, lt=1){
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translate([0,0,-lt])cylinder(h, d=2.5); // tapped M3
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//translate([0,0,-lt])cylinder(h, d=4); // rutex insert
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}
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module mount(){
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translate([4,4,-12])difference(){
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hull(){
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translate([0,0,6])cylinder(h=6, d=8);
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translate([4,-4,0])cube([0.01,8,12]);
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}
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translate([0,0,12])mirror([0,0,1])through(l=10,lb=1,lt=1,lh=7);
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}
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}
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difference(){
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union(){
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hull(){
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for(x=[rc, lf-rc]){
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for(y=[rc, lf-rc]){
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translate([x,y])cylinder(h=wt,r=rc);
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}
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}
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}
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if (2*wt+hd> lf){
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translate([lf/2, lf/2])cylinder(h=wt, d=2*wt+hd);
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}
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hull(){
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for(x=[lf-rc]){
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for(y=[rc, lf-rc]){
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translate([x,y,0])cylinder(h=t,r=rc);
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}
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}
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}
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hull(){
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x=rc;
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translate([x,rc])cylinder(h=t,r=rc);
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translate([x,lf-rc])cylinder(h=1,r=rc);
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translate([x-1*rc,lf-1,t-12])cube([2*rc,1,12]);
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}
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hull(){
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translate([lf/2,lf/2, wt-0.1])cylinder(h=0.1,d=hd+2*wt);
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translate([lf/2-wh/2-wt+ofsx,lf/2-lh/2+ofsy,t-th+ofsz])cube([wh+2*wt,lh,0.01]);
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}
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translate([lf/2-wh/2-wt+ofsx,lf/2-lh/2+ofsy,t-th+ofsz])cube([wh+2*wt,lh,th]);
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for(x=[48]){
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for(y=[7.7,28]){
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translate([x,y,t])mirror([1,0,0])mount();
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}
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}
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for(x=[-8]){
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for(y=[18]){
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translate([x,y,t])mount();
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}
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}
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translate([0,48,t])rotate([0,0,-90])mount();
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}
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hull(){
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translate([lf/2,lf/2,-0.01])cylinder(h=wt+0.01,d=hd);
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translate([lf/2-wh/2+ofsx,lf/2-lh/2+ofsy-0.01,t-th+ofsz])cube([wh,lh+0.02,0.01]);
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}
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translate([lf/2-wh/2+ofsx,lf/2-lh/2+ofsy-0.01,t-th+ofsz])cube([wh,lh+0.02,th+0.01]);
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for(x=[(lf-lhf)/2, (lf-lhf)/2+lhf]){
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for(y=[(lf-lhf)/2, (lf-lhf)/2+lhf]){
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translate([x,y])m3();
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}
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}
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}
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