X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=lock-inframe-bracket.scad;h=f1505675bb1a3bf5c4efc528ce1921e53e7c0cdb;hp=12ff9493ee6d8d3a50002da3ba22ea394d43cb18;hb=f1c10228aa61207903486c31b4bc84d59ce0ff0c;hpb=f88f593fde5c840f96c394add76fae327b7034ff

diff --git a/lock-inframe-bracket.scad b/lock-inframe-bracket.scad
index 12ff949..f150567 100644
--- a/lock-inframe-bracket.scad
+++ b/lock-inframe-bracket.scad
@@ -97,34 +97,6 @@ module JoinCircs(jr){
   }
 }
 
-module DividePlan(xl=10){
-  w = divide_shaft_w;
-  g = divide_gap;
-  l = divide_shaft_l + g;
-  t = divide_head_th + g;
-  dx = divide_head_dx;
-  for (m=[0,1]) mirror([m,0]) {
-    translate([w, 0]) square([xl, g]);
-    for (i=[0:divide_heads-1]) {
-      translate([w, i*(l + t)]) {
-	translate([0, 0]) square([g, l + g]);
-	translate([0, l]) square([divide_head_dx + g, g]);
-	translate([dx, l]) square([g, t + g]);
-	translate([0, l + t])
-	  square([divide_head_dx + g, g]);
-      }
-    }
-    translate([-0.1, (l + t) * divide_heads])
-      square([w + g, g]);
-  }
-}
-
-module DividePlanInPlace(xl=10){
-  rotate([0,0, -divide_angle])
-    translate([ -tube_dia/2 -tube_th/2 - divide_fudge_r, 0])
-    DividePlan(xl);
-}
-
 module DivideHook(){ ////toplevel
   w = tube_th/2;
   d = divide_gap;
@@ -143,6 +115,7 @@ module DivideHook(){ ////toplevel
 module DivideCut(){
   w = tube_th/2;
   d = divide_gap;
+  br = tube_dia/2 + tube_th;
 
   difference(){
     offset(r=divide_gap) DivideHook();
@@ -151,6 +124,34 @@ module DivideCut(){
   }
 }
 
+module DivideCutB(){
+  w = tube_th/2;
+  d = divide_gap;
+  br = tube_dia/2 + tube_th;
+  
+  intersection(){
+    translate([br - tube_th/2,0]) {
+      difference(){
+	circle(r=br + d);
+	circle(r=br);
+      }
+    }
+    translate([-2*w, 0]) mirror([0,1]) square(4*w);
+  }
+}
+
+module DivideSurround(){
+  w = tube_th/2;
+  d = divide_gap;
+
+  offset(r= w*2) {
+    hull() {
+      DivideCut();
+      translate([-(4*w + 2*d), 8*w]) circle(r=w);
+    }
+  }
+}
+
 module DivideInPlace(){
   rotate([0,0, -divide_angle])
     translate([ -tube_dia/2 -tube_th/2, 0])
@@ -188,12 +189,7 @@ module MainPlan(){ ////toplevel
 	JoinCircs(join_cr);
       }
 
-      hull(){
-	minkowski(){
-	  DividePlanInPlace(0.1);
-	  circle(divide_around);
-	}
-      }
+      DivideInPlace() DivideSurround();
     }
     translate([0, lock_0y]){
       oval([lock_w/2, lock_d/2]);
@@ -201,7 +197,8 @@ module MainPlan(){ ////toplevel
 
     circle(r = tube_dia/2);
 
-    DividePlanInPlace();
+    DivideInPlace() DivideCut();
+    DivideInPlace() DivideCutB();
   }
 }
 
@@ -317,14 +314,10 @@ module Demo(){ ////toplevel
 				       back_ohw + 0.25);
 }
 
-module DividePlanDemo(){ ////toplevel
-  DividePlan();
-}
-
 module DivideDemo(){ ////toplevel
   color("black") translate([0,0,-2]) MainPlan();
-  DivideInPlace() DivideHook();
-  color("blue") translate([0,0,2]) DivideInPlace() DivideCut();
+  color("grey") DivideInPlace() DivideHook();
+  color("blue") translate([0,0,-4]) DivideInPlace() DivideCut();
 }
 
 //MainPlan();