base and shroud ok

.gitignore

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+*.stl
+!/stl/**

BaseLeft.scad

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+
+t = 7;
+w = 35;
+h = 47.7;
+rc = 6.5;
+rcs = 2;
+
+$fn = 100;
+
+module through(l=7, lh=3.3, lt=1, lb=1){
+    union(){
+        translate([0,0,l-lh])cylinder(h=lh+lt, d=5.6);
+        translate([0,0,-lb])cylinder(h=l+lh+lb, d=3.5);
+    }
+}
+
+module m3 (h=8, lb=1){
+    translate([0,0,-lb])cylinder(h+lb, d=2.5); // tapped M3
+    //translate([0,0,-lb])cylinder(h+lb, d=4); // rutex insert
+}
+
+difference(){
+    hull(){
+        translate([rc, rc])cylinder(h=t, r=rc);
+        translate([rc,h-rc])cylinder(h=t, r=rc);
+        translate([w-rcs, h-rcs])cylinder(h=t, r=rcs);
+        translate([w-rcs, rcs])cylinder(h=t, r=rcs);
+    }
+    translate([30.4, h-14.75])through(l=t);
+    translate([13.2, h-33.7])through(l=t);
+    translate([-1, h-24-14,-1])hull(){
+        cube([1,14, t+2]);
+        translate([5,3])cylinder(h=t+2,r=3);
+        translate([5,11])cylinder(h=t+2,r=3);
+    }
+    translate([35,h-19.5-31,-1])hull(){
+        translate([0,3])cylinder(h=t+2,r=3);
+        translate([0,28])cylinder(h=t+2,r=3);
+    }
+    translate([12,h-12,-1])cylinder(h=t+2,d=5.5);
+    translate([32.3,h-52.3,-1])cylinder(h=t+2,d=11);
+    //fan shroud
+    for(x=[24.6]){
+        for(y=[23.4,43.7]){
+            translate([x,h-y,0])m3();
+        }
+    }    
+
+}
+    

BaseRight.scad

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+
+t = 7;
+w = 38;
+h = 47.7;
+rc = 6.5;
+rcs = 2;
+ofs = 88.1-w;
+
+$fn = 100;
+module through(l=7, lh=3.3, lt=1, lb=1){
+    union(){
+        translate([0,0,l-lh])cylinder(h=lh+lt, d=5.6);
+        translate([0,0,-lb])cylinder(h=l+lh+lb, d=3.5);
+    }
+}
+
+module m3 (h=8, lb=1){
+    translate([0,0,-lb])cylinder(h+lb, d=2.5); // tapped M3
+    //translate([0,0,-lb])cylinder(h+lb, d=4); // rutex insert
+}
+
+difference(){
+    hull(){
+        translate([w-rc, rc])cylinder(h=t, r=rc);
+        translate([w-rc,h-rc])cylinder(h=t, r=rc);
+        translate([rcs, h-rcs])cylinder(h=t, r=rcs);
+        translate([rcs, rcs])cylinder(h=t, r=rcs);
+    }
+    translate([72.2-ofs, h-14.75])through(l=t);
+    translate([72.2-ofs, h-39.9])through(l=t);
+    translate([82.1-ofs, h-6.65])through(l=t);
+    translate([w-7, h-24-14,-1])hull(){
+        translate([7,0])cube([1,14, t+2]);
+        translate([3,3])cylinder(h=t+2,r=3);
+        translate([3,11])cylinder(h=t+2,r=3);
+    }
+    translate([-1,h-19.5-31,-1])hull(){
+        cube([0.01,31,t+2]);
+        translate([12,3])cylinder(h=t+2,r=3);
+        translate([12,28])cylinder(h=t+2,r=3);
+    }
+    
+//    translate([32.3,h-52.3,-1])cylinder(h=t+2,d=11);
+    for(x=[72.6-ofs]){
+        for(y=[33.4]){
+            translate([x,h-y,0])m3();
+        }
+    }    
+    for(x=[64.6-ofs]){
+        for(y=[11.4]){
+            translate([x,h-y,0])m3();
+        }
+    }    
+}
+    

shroud.scad

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