X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=cable-splice-clamp.scad;h=bd27d86938fbd02dd74748a15d895f89bade8820;hb=ba7c5b240dcdab5fa3f4e3f7823bb828551471f0;hp=bed9edb9070c71324d0d0640bbbcf0b1f43e49fe;hpb=c2f9e017b2854093dee8c949617badb1b99a88bf;p=reprap-play.git

diff --git a/cable-splice-clamp.scad b/cable-splice-clamp.scad
index bed9edb..bd27d86 100644
--- a/cable-splice-clamp.scad
+++ b/cable-splice-clamp.scad
@@ -2,7 +2,7 @@
 
 include <commitid.scad>
 
-rnom = 7.5 / 2;
+rnom = 3.5 / 2;
 
 // alpha is slope angle, which is half of inner concave angle that
 //  wire sits in
@@ -13,9 +13,15 @@ alpha = 40; // degrees
 mu = 1/4;
 
 // wall thickness, and base width as fraction of cable size
-wall_r = 1.5 / 6.5;
+wall_r = 3.5 / 6.5;
 base_r = 0.75;
 
+total_len = 60;
+
+strap_width = 3.0 + 0.5;
+
+strap_count = 4;
+
 // for cross-section calculations:
 //
 // origin O is at intersection of straight line segments forming walls
@@ -54,11 +60,9 @@ 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);
@@ -72,7 +76,7 @@ module CrossSectionHalf(plus=0) {
 	     [basew                        + plus, top],
 	     [-0.1,                                top]]);
     translate([0, -d_OC_r * r0])
-      circle(r = r0);
+      circle(r = r0, $fn=20);
   }
 }
 
@@ -92,11 +96,6 @@ module CrossSectionDemo(){ ////toplevel
   }
 }
 
-strap_width = 4 + 0.5;
-total_len = 70;
-
-strap_count = 2;
-
 strap_wall_h = 1.5;
 strap_wall_l = 2.0;