lock-inframe-bracket: MainPlan: reorg to make cutouts common (nfc)

[reprap-play.git] / lock-inframe-bracket.scad

diff --git a/lock-inframe-bracket.scad b/lock-inframe-bracket.scad
index c7baf24fc4091031daf7edc0f3e8e083e272a9d5..d87e7913e55893c824d000b607477061285a9a60 100644 (file)
--- a/lock-inframe-bracket.scad
+++ b/lock-inframe-bracket.scad
@@ -1,31 +1,35 @@
 // -*- C -*-
 
-tube_dia = 27.5 + 0.5;
+tube_dia = 27.5 + 1.625;
 lock_w = 42.5 + 0.5;
 lock_d = 28.0 + 0.5;
 main_h = 45.0;
 backflange_d = 12;
+lockshaft_dia = 14.35;
 
-lockshaft_r = [5, 5];
 cliprecess_h = 16;
 total_h = 45;
 
-back_gap = 7;
+back_gap = 10;
 main_th = 2.5;
+tube_th = 2.25;
+
 midweb_d = 3;
-clip_th = 2.5;
+clip_th = 3.5;
 clip_gap = 2.5;
 clip_d = 22.0;
 
 mountscrew_dia = 4 + 0.5;
-clipbolt_dia = 5 + 0.5;
+clipbolt_dia = 5 + 0.1;
 
 backflange_th = 3.5;
 
+$fn=50;
+
 // calculated
 
+lockshaft_r = [1, 1] * lockshaft_dia / 2;
 front_th = main_th;
-tube_th = main_th;
 
 tube_or = tube_dia/2 + tube_th;
 back_ohw = back_gap/2 + backflange_th;
@@ -52,16 +56,17 @@ module MainPlan(){
       circle(r = tube_or);
       translate([-back_ohw,0]) mirror([0,1])
        square([back_ohw*2, backflange_ymin]);
+
+      translate([0, lock_0y]){
+       oval(lock_or);
+      }
     }
+
     circle(r = tube_dia/2);
     translate([-back_gap/2,1]) mirror([0,1])
       square([back_gap, backflange_ymin+2]);
-  }
-  translate([0, lock_0y]){
-    difference(){
-      union(){
-       oval(lock_or);
-      }
+
+    translate([0, lock_0y]){
       oval([lock_w/2, lock_d/2]);
     }
   }
@@ -73,7 +78,11 @@ 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 +127,7 @@ 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 +141,42 @@ module MainPositive(){
   }
 }
 
+module Bracket(){ //// toplevel
+  difference(){
+    MainPositive();
+    ThroughHoles();
+  }
+}
+
+module TestTopEdge(){ //// toplevel
+  intersection(){
+    translate([0,0, -total_h])
+      translate([0,0, 4])
+      Bracket();
+    translate([-200,-200,0])
+      cube([400,400,100]);
+  }
+}
+
+module TestClipBoltHole(){ //// toplevel
+  intersection(){
+    union(){
+      translate([0, 0, -5])
+       Bracket();
+      translate([-4, lock_0y + lock_d/2 + 1, 0])
+       cube([8, 4, 1.5]);
+    }
+    translate([-200, lock_0y + lock_d/2 + 0.1])
+      cube([400, 400, total_h-20]);
+  }
+}
+
 //MainPlan();
+//ClipElevationPositive();
 //ClipElevation();
-MainPositive();
-%ThroughHoles();
+//MainPositive();
+//%ThroughHoles();
+//TestTopEdge();
+//TestClipBoltHole();
+
+//Bracket();