scad/capper.scad

@@ -0,0 +1,48 @@
+include <common.scad>;
+
+// Using a Tower Pro SG-5010 servo
+
+// https://www.thingiverse.com/thing:83806 - Lego mount (has dimensions of servo body)
+// https://www.thingiverse.com/thing:5241574 - Robot arm (just cool)
+
+LensVoidDiameter = 40; //mm
+LensZ = 80;
+LensY = 20;
+
+CapOffsetX = -50;
+CapOffsetY = -11;
+
+module Mount () {
+	$fn = 200;
+	difference(){
+        union(){
+            difference(){
+                cylinder(r=R(LensVoidDiameter)+15, h=LensY, center=true);
+                cylinder(r=R(LensVoidDiameter)+5, h=LensY+1, center=true);
+            }
+            translate([0,0,-(LensY/4)-(5/4)]) difference(){
+                cylinder(r=R(LensVoidDiameter)+5, h=R(LensY)-R(5), center=true);
+                cylinder(r=R(LensVoidDiameter), h=LensY+1, center=true);
+            }
+        }
+		translate([0,R(LensVoidDiameter),0])cube([LensVoidDiameter*2, LensVoidDiameter, 5], center=true);
+	}
+
+}
+
+module Cap () {
+    $fn = 200;
+    difference(){
+        union(){
+            translate([CapOffsetX,CapOffsetY,0]){
+                cylinder(r=R(LensVoidDiameter) + 4, h=4, center = true);
+                translate([35,(LensVoidDiameter/4)+1,0]) cube([50,R(LensVoidDiameter),4], center=true);
+            }
+            cylinder(r=5,h=10,center=true);
+        }
+        cylinder(r=2,h=10+1,center=true);
+    }
+}
+
+Mount();
+translate([-CapOffsetX,-CapOffsetY,0]) rotate([0,0,-60]) Cap();

scad/common.scad

@@ -30,3 +30,6 @@ module trap_cube(height = 19, top_x = 30, top_y = 34, bottom_x = 45, bottom_y =
 		}
 	}
 }
+
+echo("common.scad - R()");
+function R (diameter) = diameter / 2.0;