X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=cable-splice-clamp.scad;h=61781b5e7cb82afde9d341d2c3facd58ef42d446;hp=fab44d483f7aa8af13f9367bc53469f4fce7655c;hb=ec88462f1c9599abe3f58ffbe82700580eb271ae;hpb=cfed2477bafd223d750a65a3b7592a1b8c35f8f8

diff --git a/cable-splice-clamp.scad b/cable-splice-clamp.scad
index fab44d4..61781b5 100644
--- a/cable-splice-clamp.scad
+++ b/cable-splice-clamp.scad
@@ -13,7 +13,7 @@ alpha = 40; // degrees
 mu = 1/4;
 
 // wall thickness, and base width as fraction of cable size
-wall_r = 1.5 / 6.5;
+wall_r = 2.5 / 6.5;
 base_r = 0.75;
 
 // for cross-section calculations:
@@ -54,16 +54,14 @@ y_B_r = -dy_OB_r;
 x_T_r =         sina;
 y_T_r = -tana * sina;
 
-top_r = wall_r - (d_OC_r - 1);
-
 wall_x_r = wall_r / tan(90-alpha);
 
-top = top_r * r1;
+top = wall_r * r1 - (d_OC_r - 1) * r0;
 basew = base_r * rnom;
 
 echo("dias", r0*2, r1*2, "ratio",r1/r0);
 
-module CrossSection(plus=0) {
+module CrossSectionHalf(plus=0) {
   difference(){
     polygon([[-0.1,                                y_T_r * r0],
 	     [x_T_r * r0,                          y_T_r * r0],
@@ -76,6 +74,13 @@ module CrossSection(plus=0) {
   }
 }
 
+module CrossSection(plus=0) {
+  for (m=[0,1]) {
+    mirror([m,0])
+      CrossSectionHalf(plus);
+  }
+}
+
 module CrossSectionDemo(){ ////toplevel
   color("black") CrossSection(2);
   CrossSection();
@@ -121,6 +126,12 @@ module HalfClamp(){ ////toplevel
   }
 }
 
+module HalfClampPrint(){ ////toplevel
+  rotate([180,0,0])
+    HalfClamp();
+}
+
 //CrossSection();
 //CrossSectionDemo();
-HalfClamp();
+//HalfClamp();
+HalfClampPrint();