X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=anke-gps-bracket.scad;h=4f01028ddfa507e647d1cff7e941d5461a23350d;hb=e77d7adad39deae4836be0f86d5b57be98d0b6c1;hp=5831f559af015ad5c9b06eb701293d216a3ebed1;hpb=f9af1bf66febdda31d0c3041bee4446002140a04;p=reprap-play.git

diff --git a/anke-gps-bracket.scad b/anke-gps-bracket.scad
index 5831f55..4f01028 100644
--- a/anke-gps-bracket.scad
+++ b/anke-gps-bracket.scad
@@ -1,5 +1,7 @@
 // -*- C -*-
 
+include <doveclip.scad>
+
 // Dimensions of the main GPS body
 outerw = 120 + 2.5;
 outerh =  75 - 0.2;
@@ -24,6 +26,28 @@ plug2lhs =   11;
 plugtotald = 15;
 pluggapd =    5;
 
+// Dimensions of the hole in the tray
+//   width and height (vertical) at the top
+nestleh = 53;
+nestlew = 55.4 - 0.5;
+//   depths (back to front distance):
+nestledl = 38.8 - 0.5;
+nestledr = 42.7 - 0.5;
+//   differences in width, depth, at bottom:
+nestledwl = 3.0;
+nestledwr = 2.4;
+nestleddf = 4.0;
+nestleddbl = 3.3;
+nestleddbr = 3.6;
+
+nestlewallmin = 4;
+nestleceilmin = 4;
+
+// Adjustment for the GPS attitude
+gpsazimuth = 45;
+gpsrightwardoffset = 5;
+gpsrearwardoffset = 2;
+
 // Amount of wire protrusion to allow for
 plugwiremoreh = 25;
 
@@ -36,6 +60,7 @@ bodylhsrhsslop = 0.5;
 screent = 1.0;
 plugstrutw = 4;
 plugstrutt = min(outert, 5);
+nestledoveclipw = 20;
 
 module GpsPlugPlug(slop){
   effhslop = slop - plughstep;
@@ -83,7 +108,7 @@ module GpsBody() { ////toplevel
 
 module GpsPlug() {
   plugwireh = plug2bot + plugwiremoreh;
-  GpsPlugPlug(-plugslop);
+  translate([-plugslop,0,0]) GpsPlugPlug(-plugslop);
   mirror([0,0,1]) translate([plug2lhs, plug2bot, 0]) {
     cube([plugw, plugh, plugtotald-0.05]);
     translate([0, -plugwireh, pluggapd])
@@ -134,6 +159,75 @@ module GpsPlugT(){ ////toplevel
   rotate([0,-90,0]) GpsPlug();
 }
 
+module NestleCubeCutout(ca,cb,d){
+  dist = cb - ca;
+  mirror([0,1,0]){
+    rotate([90,0,0]){
+      linear_extrude(height=d){
+	polygon([[ca, -nestleh-1],
+		 [ca, -dist/2],
+		 [(ca+cb)/2, 0],
+		 [cb, -dist/2],
+		 [cb, -nestleh-1]]);
+      }
+    }
+  }
+}
+
+module NestleCube(){ ////toplevel
+  midw = nestlew/2;
+  midd = min(nestledl,nestledr);
+  midddb = max(nestleddbl,nestleddbr);
+
+  based0 = nestleddf;
+  based1 = midd - midddb;
+  basew0 = -nestledwr;
+  basew1 = +nestledwl-nestlew;
+
+  cutd0 = based0 + nestlewallmin;
+  cutd1 = based1 - nestlewallmin;
+  cutw0 = basew0 - nestlewallmin;
+  cutw1 = basew1 + nestlewallmin;
+
+  translate([-(basew0+basew1)/2, -(based0+based1)/2, 0]) difference(){
+    polyhedron
+      (points=[[          +0      ,            +0,        0], // 0
+	       [          +0      ,            +nestledr, 0], // 1
+	       [          -midw   ,            +midd,     0], // 2
+	       [          -nestlew,            +nestledl, 0], // 3
+	       [          -nestlew,            +0,        0], // 4
+	       [-nestledwr+0      , +nestleddf +0,        -nestleh], // 5
+	       [-nestledwr+0      , -nestleddbr+nestledr, -nestleh], // 6
+	       [          -midw   , -midddb    +midd,     -nestleh], // 7
+	       [+nestledwl-nestlew, -nestleddbl+nestledl, -nestleh], // 8
+	       [+nestledwl-nestlew, +nestleddf +0,        -nestleh]], // 9
+       triangles=[[0,1,6],[6,5,0],
+		  [1,2,7],[7,6,1],
+		  [2,3,8],[8,7,2],
+		  [3,4,9],[9,8,3],
+		  [4,0,5],[5,9,4],
+		  [4,3,2],[2,1,0],[0,4,2],
+		  [7,8,9],[5,6,7],[7,9,5]],
+       convexity=3);
+    intersection(){
+      NestleCubeCutout(cutw1, cutw0, max(nestledl,nestledr));
+      rotate([0,0,90]) NestleCubeCutout(cutd0, cutd1, nestlew);
+    }
+  }
+
+  translate([gpsrightwardoffset,-gpsrearwardoffset,0])
+    rotate([0,0,gpsazimuth])
+    translate([nestledoveclipw/2,0,DoveClip_depth()-0.5])
+    rotate([0,-90,0])
+    DoveClipPairSane(count=3, h=nestledoveclipw);
+}
+
+module NestleCubePin(){ ////toplevel
+  DoveClipPin(nestledoveclipw*0.4);
+}
+
 //GpsPlugT();
 //GpsAssembled();
 //GpsBody();
+//NestleCube();
+//NestleCubePin();