X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=lock-inframe-bracket.scad;h=815ad1eff8872a64c4f329e2198a7b002884a4f4;hb=d8597d6c14dae52647ff6e8bed9e4d64b11c0575;hp=c7baf24fc4091031daf7edc0f3e8e083e272a9d5;hpb=6a414717cf5034f954d3ef7cc4e11348293164ed;p=reprap-play.git

diff --git a/lock-inframe-bracket.scad b/lock-inframe-bracket.scad
index c7baf24..815ad1e 100644
--- a/lock-inframe-bracket.scad
+++ b/lock-inframe-bracket.scad
@@ -5,15 +5,15 @@ lock_w = 42.5 + 0.5;
 lock_d = 28.0 + 0.5;
 main_h = 45.0;
 backflange_d = 12;
+lockshaft_dia = 15.5;
 
-lockshaft_r = [5, 5];
 cliprecess_h = 16;
 total_h = 45;
 
 back_gap = 7;
 main_th = 2.5;
 midweb_d = 3;
-clip_th = 2.5;
+clip_th = 3.5;
 clip_gap = 2.5;
 clip_d = 22.0;
 
@@ -22,8 +22,11 @@ clipbolt_dia = 5 + 0.5;
 
 backflange_th = 3.5;
 
+$fn=50;
+
 // calculated
 
+lockshaft_r = [1, 1] * lockshaft_dia / 2;
 front_th = main_th;
 tube_th = main_th;
 
@@ -73,7 +76,11 @@ clip_ymin = cliprecess_ymax - total_h;
 clip_ogap = clip_gap + clip_th*2;
 
 module ClipElevationPositive(){
-  oval(lockshaft_or);
+  hull(){
+    oval(lockshaft_or);
+    translate([0, -lockshaft_or[1] * sqrt(2)])
+      square(center=true, 0.5);
+  }
   translate([-lockshaft_or[0], 0])
     square([lockshaft_or[0]*2, cliprecess_ymax]);
   translate([-clip_ogap/2, 0]) mirror([0,1]) square([clip_ogap, -clip_ymin]);
@@ -118,7 +125,7 @@ module ThroughHoles(){
   }
 
   ThroughHole( clipbolt_dia/2,
-	       lock_0y + lock_d/2 + clip_d/2,
+	       lock_0y + lock_d/2 + clip_d/2 + front_th/2,
 	       total_h - cliprecess_h - clip_th - clip_d/2 );
 }
 
@@ -132,7 +139,17 @@ module MainPositive(){
   }
 }
 
+module Bracket(){
+  difference(){
+    MainPositive();
+    ThroughHoles();
+  }
+}
+
 //MainPlan();
+//ClipElevationPositive();
 //ClipElevation();
-MainPositive();
-%ThroughHoles();
+//MainPositive();
+//%ThroughHoles();
+
+Bracket();