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=66e9f37858962e1efb80bde3426876951a3bd328;hp=4001eaaebe77df1df68dc599c8973da16a13cd0f;hb=8a1445c5c91b7b976950a8138b6bcd23d387ed9c;hpb=5eca8642d5af4d2d3be41785416697786209031b

diff --git a/lock-inframe-bracket.scad b/lock-inframe-bracket.scad
index 4001eaa..66e9f37 100644
--- a/lock-inframe-bracket.scad
+++ b/lock-inframe-bracket.scad
@@ -1,5 +1,8 @@
 // -*- C -*-
 
+// use shell thickness 1.50
+// use fill density 40%
+
 include <funcs.scad>
 
 tube_dia = 27.5 + 1.625;
@@ -12,9 +15,9 @@ lockshaft_dia = 14.35;
 cliprecess_h = 16;
 total_h = 45;
 
-back_gap = 12.5;
-main_th = 2.75;
-tube_th = 2.25;
+back_gap = 14.5;
+main_th = 3.25;
+tube_th = 2.50;
 
 midweb_d = 3;
 clip_th = 3.5;
@@ -22,16 +25,22 @@ clip_gap = 2.5;
 clip_d = 22.0;
 
 mountscrew_dia = 4 + 0.5;
-clipbolt_dia = 5 + 0.1;
+clipbolt_dia = 5 + 0.6;
 
 backflange_th = 4.5;
 
 $fn=50;
 
-join_cr = 7;
+join_cr = 9;
 
 tube_rear_extra_th = 1;
 
+divide_shaft_w = 3;
+divide_shaft_l = 3;
+divide_head_dx = 3;
+divide_head_th = 3;
+divide_gap = 0.75;
+
 // calculated
 
 lockshaft_r = [1, 1] * lockshaft_dia / 2;
@@ -59,7 +68,7 @@ module oval(sz){ // sz[0] > sz[1]
 }
 
 module JoinCircs(jr){
-  # http://mathworld.wolfram.com/Circle-CircleIntersection.html
+  // http://mathworld.wolfram.com/Circle-CircleIntersection.html
   R = tube_or + join_cr;
   r = lock_or[1] + join_cr;
   d = dist2d( [0,0], lock_0 );
@@ -78,6 +87,22 @@ module JoinCircs(jr){
   }
 }
 
+module DividePlan(){
+  g = divide_gap;
+  dx = divide_head_dx;
+  for (m=[0,1]) mirror([m,0]) {
+    translate([divide_shaft_w, 0]) {
+      square([10, g]);
+      square([10, g]);
+      translate([0, 0]) square([g, divide_shaft_l + g]);
+      translate([0, divide_shaft_l]) square([divide_head_dx + g, g]);
+      translate([dx, divide_shaft_l]) square([g, divide_head_th + g]);
+    }
+    translate([-0.1, divide_shaft_l + divide_head_th])
+      square([divide_shaft_w + divide_head_dx + g, g]);
+  }
+}
+
 module MainPlan(){
   difference(){
     union(){
@@ -218,4 +243,4 @@ module TestClipBoltHole(){ //// toplevel
 //TestTopEdge();
 //TestClipBoltHole();
 
-//Bracket();
+Bracket();