diff --git a/RackCabinets/OrangePi/orangepi_chassisfan.scad b/RackCabinets/OrangePi/orangepi_chassisfan.scad
new file mode 100644
index 0000000..af3d80c
--- /dev/null
+++ b/RackCabinets/OrangePi/orangepi_chassisfan.scad
@@ -0,0 +1,192 @@
+include<../sixinch_library.scad>
+
+
+  //////////////////
+ // Orange Pi    //
+//////////////////
+
+print_frontplate_sml = false;
+print_handle_sml     = false;
+print_cabinet_sml    = true;
+print_lid            = false;
+print_rear           = false;
+print_antennae       = false;
+dia=11;
+
+if(print_frontplate_sml){ // Frontplate //
+    square_hole        = [];
+    round_hole         = [[87 ,7.5, 2.1],[91 ,7.5, 2.1],[107, unit,dia-2.0]];
+    round_peg          = [];   
+    screw_side_front   = [];
+    screw_top          = [36];
+    screw_bottom_front = [36];
+    units              = 2; 
+    frontplate(units,square_hole,round_hole,round_peg,screw_side_front,screw_top,screw_bottom_front);
+
+}
+
+if(print_handle_sml){ // Handle // 
+    units              = 2;
+    lay_flat_for_print = true;   
+    handle(units,lay_flat_for_print);
+}
+
+if(print_cabinet_sml){ // Cabinet //  
+    w=97;
+    h=70;
+    screw_bottom_front = [36];
+    screw_bottom_back  = [26];
+    screw_side_front   = [];
+    round_peg          = [[w,h,      6,2.8,4],
+                          [w-40,h,   6,2.8,4],
+                          [w-40,h-42,6,2.8,4],
+                          [w,h-42,   6,2.8,4]];
+    
+    depth              = 80;
+    units              = 2;
+    difference(){
+        cabinet(depth,units,screw_bottom_front,round_peg,screw_side_front,screw_bottom_back);
+        
+    }
+}
+
+if(print_lid){ // Lid // 
+    depth = 80;
+    units = 2;
+    screw_front = [36];//mm
+    screw_back  = [36];//mm
+    lid(depth,2,screw_front,screw_back);        
+}
+
+if(print_rear){  // Back plate //    
+    square_hole  = [[69 ,3, 17, 15] , [88 ,4, 6, 14.5]  ];
+    round_hole   = [[45,5,5],[45,1.5,5] ];
+    screw_top    = [36];//mm
+    screw_bottom = [26];//mm
+    screw_side   = [];
+    depth        = 98;
+    units        = 2;
+    back_plate(units,depth,screw_top,screw_bottom,screw_side,square_hole,round_hole);
+}  
+
+
+  ///////////////////////////////
+ // Customization    //
+///////////////////////////////
+
+
+if(print_cabinet_sml){ // Cabinet fan //
+    shift =20;
+    
+    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]);
+        
+        
+        
+        
+    }
+} 
+
+
+if(print_antennae){
+    
+    //outside
+    
+    len = 13;
+    
+    
+    translate([100,30,3]){        
+        difference(){
+        union(){
+            rotate([0,90,0]){
+                cylinder(d=dia,h=len); 
+            }
+            translate([13,0,0]){sphere(d=dia);}
+            translate([13,0,0]){cylinder(d=dia,h=dia/2);}
+            translate([len/2,0,dia/4]){cube([13,dia,dia/2],center=true);}
+        }
+        //negative
+        union(){
+            rotate([0,90,0]){
+                translate([0,0,-0.5]){cylinder(d=5.5,h=len+1); }
+            }
+            translate([len,0,0]){sphere(d=dia-4);}
+            translate([13,0,-0.5]){cylinder(d=dia-2,h=dia/2+1);}
+        }
+    }
+    }
+    
+    
+    
+    //inside
+    translate([100,unit,-0]){        
+        difference(){
+        union(){    
+            translate([13,0,0]){cylinder(d=dia-2.5,h=5.5);}
+            translate([13,0,5.5]){cylinder(d=dia+4,h=3);}
+        }
+        translate([13,0,-1]){cylinder(d=dia-4.5,h=10);}
+        translate([13,0,4]){
+            for(i=[0:22.5:360]){
+                rotate([0,0,i]){
+                    translate([9,0,0]){
+                        cylinder(d=4,h=5);
+                    }
+                }
+            }
+        } 
+    }
+    
+    //spring
+    difference(){
+        union(){ 
+            translate([23,0,5.5]){
+                cylinder(d=3.5,h=3);
+            }   
+        }
+        translate([22.2,-5,0]){cube([5,10,15]);}
+    }
+    translate([22.2,-2,5.5]){ cube([1,20,3]);}
+    translate([22.7,20,5.5]){
+    cylinder(d=6,h=3);
+}        
+}    
+}
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