Added STL files

Added STL files for the printed parts needed to use the new sensor
board, along with some other printed parts for the Ormerod

OtherPrintedPartsForOrmerod/FanDeflector.scad

@@ -0,0 +1,151 @@
+cube_length = 40;
+cube_width = 40;
+cube_height = 6;
+
+blade_angle = 35;
+
+use <fan_deflector_v4_aerofoil.scad>
+
+module foil()
+{
+      ratio = 1.8;
+      translate([-2,-cube_width/2,1
+]){
+         rotate([-6,blade_angle,0]){
+            rotate([-90,0,0]){
+               linear_extrude(height = cube_width/2,twist = -blade_angle/2, scale = 0.5){
+                  scale([cube_height *ratio,cube_height *ratio,0]){
+                     aerofoil();
+                  }
+               }
+
+            }
+         }
+      }
+
+}
+
+module blades()
+{
+   numblades = 9;
+   translate([20, 20, 0]) {
+      difference(){
+         union(){
+            intersection(){
+               cylinder(h=cube_height,r=19.5,$fn=20);
+               union(){
+                  for ( x = [0 : numblades -1] ){
+                     rotate([180,0, x * 360 / numblades]){
+                        foil();
+                     }
+                  }
+               }
+            }
+            cylinder(h=cube_height,r=11,$fn=20);
+         }
+         translate([0,0,1.5]){
+               cylinder(h= cube_height,r=10,$fn=20);
+         }
+      }
+   }
+}
+
+module screw_hole()
+{
+     translate([0, 0, -1]){
+        cylinder(2, 3.25, 3.25, $fn=20);
+     }
+     translate([0, 0, 1]){
+        cylinder(1.75, 3.25, 1.5, $fn=20);
+     }
+     translate([0, 0, -1]){
+        cylinder(cube_height + 2, 1.5, 1.5, $fn=20);
+     }
+}
+
+
+module fan_backwash_plate() {
+   difference() {
+      translate([-1,-1,0]){
+      		cube([cube_length + 2, cube_width + 2, cube_height]);
+      }
+      translate([cube_length/2,cube_width/2,-10]){
+         cylinder(20,19,19, $fn=50);
+      } 
+
+      //holes at bottom
+      translate([4, 4, 0]){
+         screw_hole();
+      }
+      translate([4, cube_width-4, 0]){
+         screw_hole();
+      }
+   } // difference
+} // module
+
+module skirt()
+{
+   difference(){
+      translate([-2,-2,0]){
+         cube([cube_length + 4,cube_width + 4, cube_height + 2]);
+      }
+      translate([-.30,-.30,0]){
+         cube([cube_length + .6,cube_width + .6, cube_height + 2]);
+      }
+   }
+}
+
+
+//module clasp() {
+//
+//      width = 4;
+//      d = 1.2;
+//      c_cen = cube_height + 3.75 + d ;
+//      c_r = sqrt( 2 * d * d);
+//     // echo ("circle radius = " , c_r);
+//    //  echo("to end = ",c_cen + c_r - cube_height);
+//      rotate(a=[0,270,90]){
+//          translate([0,0,-width/2]){
+//            linear_extrude(height = width) {
+//					union(){
+//                  translate([c_cen/2,d +.5 ,0]){
+//							square([c_cen,2.5],center = true);
+//						}
+//						translate ([c_cen,d,0]){
+//							circle(r=c_r,$fn= 20);
+//                   }
+//					}
+//            } // extrude
+//      }// rotate
+//		}
+//} // clasp
+
+union() {
+
+   fan_backwash_plate();
+   skirt();
+
+//	translate([0,8,0]){
+//
+//         clasp();
+//   }
+//   translate([0,cube_width - 8,0]){
+//         clasp();
+//   }
+
+//   translate([cube_length,8,0]){
+//      rotate([0,0,180]){
+//         clasp();
+//      }
+//   }
+
+//	translate([cube_length,cube_width - 8,0]){
+//      rotate([0,0,180]){
+//         clasp();
+//      }
+//   }
+
+  blades();
+
+}
+