Added cabinet with fan

RackCabinets/RaspberryPi3BFan/R3_Cabinet_with_fan.scad

@@ -0,0 +1,77 @@
+include<../sixinch_library.scad>
+
+
+  ///////////////////////////////
+ // Raspberry Pi 3 Model B    //
+///////////////////////////////
+print_cabinet_sml    = true;
+
+if(print_cabinet_sml){ // Cabinet //  
+    w=88;
+    h=70;
+    
+    pole=2.5;
+    height=6;
+    
+    screw_bottom_front = [36];
+    screw_side_front   = [];
+    round_peg          = [
+        [w,h,6,2.8,4],
+        [w-49,h,6,2.8,4],
+        [w-49,h-58,6,2.8,4],
+        [w,h-58,6,2.8,4],
+    
+        [w,h,pole,0,height],
+        [w-49,h,pole,0,height],
+        [w-49,h-58,pole,0,height],
+        [w,h-58,pole,0,height]];
+    depth              = 98;
+    units              = 2;
+    
+    shift =20;
+
+    difference(){
+        cabinet(depth,units,screw_bottom_front,round_peg,screw_side_front);
+        //fan grille
+        translate([0,-0.1,56-20]){cube([35,16.5,2]);}
+        translate([0,-0.1,56+4-20]){cube([35,16.5,2]);}
+        translate([0,-0.1,56+8-20]){cube([35,16.5,2]);}
+        translate([0,-0.1,56+12-20]){cube([35,16.5,2]);}
+        translate([0,-0.1,56+16-20]){cube([43.45,16.5,2]);}
+        translate([0,-0.1,56+20-20]){cube([43.45,16.5,2]);}
+        translate([0,-0.1,56+24-20]){cube([43.45,16.5,2]);}
+    }
+    
+    difference(){
+        translate([36,14,69-shift]){
+            rotate([0,0,55]){
+            cube([40,26+3,26+3],center=true); //25x25x10mm fan
+            }
+        }
+        
+        //fan duct
+        translate([36,14,69-shift]){
+            rotate([0,0,55]){
+            cube([52,26,26],center=true); //25x25x10mm fan
+            }
+        }
+        
+        //cutoff inside
+        translate([36,14,69-shift]){
+            rotate([0,0,55]){
+                translate([11,0,0]){
+                    cube([22,32,32],center=true); //25x25x10mm fan
+                }
+            }
+        }
+
+        //cutoff bottom
+        translate([0,-20,0]){
+            cube([200,20,200]);
+        }
+
+        //cutoff side
+        cube([20,20,100]);
+    }
+    
+}