X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=anke-gps-bracket.scad;h=5831f559af015ad5c9b06eb701293d216a3ebed1;hp=6e4caa7c49ce8232978816327206d83d2193e864;hb=f9af1bf66febdda31d0c3041bee4446002140a04;hpb=686d6b09a13d7909cf166122c7537309bb9b55d6

diff --git a/anke-gps-bracket.scad b/anke-gps-bracket.scad
index 6e4caa7..5831f55 100644
--- a/anke-gps-bracket.scad
+++ b/anke-gps-bracket.scad
@@ -1,31 +1,64 @@
 // -*- C -*-
 
-outerw = 140;
-outerh = 80;
-bezelw = 8;
-bezelboth = 8;
-bezeltoph = 8;
-outert = 10;
+// Dimensions of the main GPS body
+outerw = 120 + 2.5;
+outerh =  75 - 0.2;
+outert =  15 - 1.0;
+outerbackbevel = 3;
 
-spkrdia = 40;
-spkr2bot = 40;
-spkr2rhs = 30;
+// Dimensions of the bezel area round the edges
+bezelw =    11 - 0.5;
+bezelboth = 11 - 0.5;
+bezeltoph =  7 - 0.5;
 
-plugw = 10;
-plugh = 8;
-plug2bot = 30;
-plug2lhs = 40;
+// Dimensions of the speaker at the back
+spkrdia =  22;
+spkr2bot = 19;
+spkr2rhs = 25;
 
-plugslop = 0.3;
+// Dimensions of the plug and wire
+plugw =      12;
+plugh =       9;
+plug2bot =   11;
+plug2lhs =   11;
+plugtotald = 15;
+pluggapd =    5;
 
-screent = 1.0;
+// Amount of wire protrusion to allow for
+plugwiremoreh = 25;
+
+// Slops and steps etc.
+plugslop = 0.5;
+plughstep = 1.5;
+bodylhsrhsslop = 0.5;
 
+// Dimensions for strength only
+screent = 1.0;
 plugstrutw = 4;
 plugstrutt = min(outert, 5);
 
-module Gps() {
-  effplugw = plugw + plugslop;
-  effplugh = plugh + plugslop;
+module GpsPlugPlug(slop){
+  effhslop = slop - plughstep;
+  effplugw = plugw + slop*2;
+  effplugh = plugh + effhslop*2;
+  translate([plug2lhs-slop, plug2bot-effhslop, -1])
+    cube([effplugw, effplugh, outert+2]);
+}
+
+module GpsBodyOuterBevel(len){
+  translate([0,-1,0]) {
+    rotate([-90,0,0]) {
+      linear_extrude(height=len+2) {
+	polygon([[-outerbackbevel, 0],
+		 [ 0, outerbackbevel],
+		 [outerbackbevel, 0],
+		 [ 0, -outerbackbevel]]);
+      }
+    }
+  }
+}
+
+module GpsBody() { ////toplevel
   difference(){
     union(){
       difference(){
@@ -35,15 +68,72 @@ module Gps() {
 	translate([outerw-spkr2rhs, spkr2bot, -1])
 	  cylinder(r=spkrdia/2, h=outert+2);
       }
-      translate([plug2lhs+effplugw/2, plug2bot+effplugh/2, 0.01])
-	cylinder(r=(effplugw+effplugh)/2, h=outert-0.02);
-      for (x=[plug2lhs-plugstrutw, plug2lhs+effplugw])
-	translate([x, 0.1, 0.01])
-	  cube([plugstrutw, outerh-0.2, plugstrutt-0.02]);
+      translate([plug2lhs+plugw/2, plug2bot+plugh/2, 0])
+	cylinder(r=(plugw+plugh)/2, h=outert);
+      for (x=[plug2lhs-plugstrutw, plug2lhs+plugw])
+	translate([x, 0.1, 0])
+	  cube([plugstrutw, outerh-0.2, plugstrutt-0.10]);
+    }
+    GpsPlugPlug(0);
+    for (x=[0,outerw]) translate([x,0,0]) GpsBodyOuterBevel(outerh);
+    for (y=[0,outerh]) translate([0,y,0])
+      rotate([0,0,-90]) GpsBodyOuterBevel(outerw);
+  }
+}
+
+module GpsPlug() {
+  plugwireh = plug2bot + plugwiremoreh;
+  GpsPlugPlug(-plugslop);
+  mirror([0,0,1]) translate([plug2lhs, plug2bot, 0]) {
+    cube([plugw, plugh, plugtotald-0.05]);
+    translate([0, -plugwireh, pluggapd])
+      cube([plugw, plugwireh+0.05, plugtotald-pluggapd]);
+  }
+}
+
+lhsteethu = 2;
+
+module GpsLHSMask(xslop=0){
+  translate([plug2lhs + plugw+plugh+plugstrutw,
+	     0,
+	     -50]) {
+    for (iter=[-100/lhsteethu : 100/lhsteethu]) {
+      translate([0, iter*lhsteethu*2, 0]) {
+	linear_extrude(height=100) {
+	  polygon([[-300,     0],
+		   [   0,     0],
+		   [lhsteethu,lhsteethu],
+		   [   0,     lhsteethu*2],
+		   [-300,     lhsteethu*2+0.1]]);
+	}
+      }
     }
-    translate([plug2lhs, plug2bot, -1])
-      cube([effplugw, effplugh, outert+2]);
   }
 }
 
-Gps();
+module GpsAssembled(){ ////toplevel
+  GpsBody();
+  GpsPlug();
+}
+
+module GpsBodyLT(){
+  intersection(){
+    GpsBody();
+    GpsLHSMask();
+  }
+}
+
+module GpsBodyRT(){
+  difference(){
+    GpsBody();
+    GpsLHSMask(bodylhsrhsslop);
+  }
+}
+
+module GpsPlugT(){ ////toplevel
+  rotate([0,-90,0]) GpsPlug();
+}
+
+//GpsPlugT();
+//GpsAssembled();
+//GpsBody();