X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=camera-mount.scad;h=fec9096192b3336e7a50ed782f3dc3eb42407db4;hb=6dba99d4594590c1af949fbd0379d366a05c2ca6;hp=10d2adc6af84457b8dde7be6cab4f6d92eaed2a2;hpb=58a204e128e7acbad710cd9264c40cb01150d357;p=reprap-play.git

diff --git a/camera-mount.scad b/camera-mount.scad
index 10d2adc..fec9096 100644
--- a/camera-mount.scad
+++ b/camera-mount.scad
@@ -5,27 +5,24 @@ include <threads.scad>
 inch = 25.4;
 
 negative_dia = inch * 1/4. + 0.375;
-negative_l =   10.0;
+negative_default_l =   10.0;
 
 negative_tpi = 20;
 negative_pitch = inch/negative_tpi;
 negative_chamfer = negative_pitch/2;
 
-module CameraMountThread(){
-  translate([0,0, midsection]) {
+module CameraMountThread(l){
+  rotate([0,180,0])
     english_thread(diameter=negative_dia/inch,
 		   threads_per_inch=negative_tpi,
 		   leadin=0, internal=true, test=$test,
-		   length= (negative_l + inch/19) / inch);
-    translate([0,0, negative_l]) {
-      hull(){
-	translate([0,0, negative_chamfer])
-	  cylinder(r= negative_dia/2 + negative_chamfer*2,
-		   h=1);
-	mirror([0,0,1])
-	  cylinder(r= negative_dia/2 - negative_chamfer*2,
+		   length= (l + inch/19) / inch);
+  hull(){
+    translate([0,0, negative_chamfer])
+      cylinder(r= negative_dia/2 + negative_chamfer*2,
+	       h=1);
+    mirror([0,0,1])
+      cylinder(r= negative_dia/2 - negative_chamfer*2,
 		   h= negative_chamfer*3);
-      }
-    }
   }
 }