X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=mic-camera-adapter.scad;fp=mic-camera-adapter.scad;h=1ffc71eba0841c02541efcb5a9268e62211c8849;hb=9fab008d84419ee912afba2186bdbf98e2563411;hp=bbb2ef316c547194b23de63e297bbc5d80f229c6;hpb=98d370dab24f6a7d34f48892d21058ef509e13c3;p=reprap-play.git

diff --git a/mic-camera-adapter.scad b/mic-camera-adapter.scad
index bbb2ef3..1ffc71e 100644
--- a/mic-camera-adapter.scad
+++ b/mic-camera-adapter.scad
@@ -2,4 +2,26 @@
 
 include <threads.scad>
 
-english_thread();
+inch = 25.4;
+
+positive = inch/2;
+negative = inch/2;
+midsection = 5;
+
+module Adapter(){
+  translate([0,0,-0.1])
+    english_thread(diameter = 3/8., threads_per_inch=16,
+		   leadin=1,
+		   length= (positive + 0.1) / inch);
+  rotate([180,0,0]) {
+    difference(){
+      cylinder(r=10, h=negative + midsection);
+      translate([0,0, midsection])
+	english_thread(diameter = 1/2., threads_per_inch=20,
+		       leadin=1, internal=true,
+		       length=midsection+0.1);
+    }
+  }
+}
+
+Adapter();