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=084eefd2579d7f31311191fc115920c16c141b4c;hp=c18b716ff1942e9eadf41052d2edbc6024fdd8e7;hb=1f1a48c7ecc8938a779353150fa6a68b5da0c8ee;hpb=6de347bfa28975e972aa8a4b52784cc9229d3d00

diff --git a/anke-gps-bracket.scad b/anke-gps-bracket.scad
index c18b716..084eefd 100644
--- a/anke-gps-bracket.scad
+++ b/anke-gps-bracket.scad
@@ -1,72 +1,142 @@
 // -*- C -*-
 
+include <doveclip.scad>
+
 // Dimensions of the main GPS body
-outerw = 140;
-outerh = 80;
-outert = 10;
+outerw = 120;
+outerh =  75;
+outert =  15;
+outerbackbevel = 3;
+
+// Dimensions for the holder
+holder_outerw = outerw - 0.0;
+holder_outerh = outerh + 0.0;
+holder_outert = outert + 0.0;
+
+// Dimensions for the model
+model_outerw = outerw + 2.5;
+model_outerh = outerh - 0.2;
+model_outert = outert - 1.0;
 
 // Dimensions of the bezel area round the edges
-bezelw = 8;
-bezelboth = 8;
-bezeltoph = 8;
+bezelw =    11 - 0.5;
+bezelboth = 11 - 0.5;
+bezeltoph =  7 - 0.5;
 
 // Dimensions of the speaker at the back
-spkrdia = 40;
-spkr2bot = 40;
-spkr2rhs = 30;
+spkrdia =  22;
+spkr2bot = 19;
+spkr2rhs = 25;
 
 // Dimensions of the plug and wire
-plugw = 10;
-plugh = 8;
-plug2bot = 30;
-plug2lhs = 40;
-plugtotald = 20;
-pluggapd = 12;
+plugw =      12;
+plugh =       9;
+plug2bot =   11;
+plug2lhs =   11;
+plugtotald = 15;
+pluggapd =    5;
+
+// Dimensions of the hole in the tray
+//   width and height (vertical) at the top
+nestleh = 53;
+nestlew = 60.9;
+//   depths (back to front distance):
+nestledl = 40.2;
+nestledr = 43.9;
+//   differences in width, depth, at bottom:
+nestledwl = 2.1;
+nestledwr = 1.4;
+nestleddf = 4.0;
+nestleddbl = 5.7;
+nestleddbr = 5.2;
+
+// Adjustment for the GPS attitude and position
+gpsazimuth = 45;
+gpselevation = 40;
+gpsrightwardoffset = 5;
+gpsrearwardoffset = 2;
+gpsrightwardoffsetonbar = 0;
 
 // Amount of wire protrusion to allow for
-plugwiremoreh = 30;
+plugwiremoreh = 25;
 
 // Slops and steps etc.
 plugslop = 0.5;
 plughstep = 1.5;
 bodylhsrhsslop = 0.5;
+holderhgap = 5;
+holderbezelmore = 2;
+nestlebevel = 1;
 
 // Dimensions for strength only
 screent = 1.0;
 plugstrutw = 4;
-plugstrutt = min(outert, 5);
+plugstrutt = min(model_outert, 5);
+nestledoveclipw = 20;
+holderh = model_outerh * 0.5;
+holderwallt = 2.5;
+holderbackt = 2.8;
+holderdccount = 2;
+holderdoveclipl = 15;
+chassish = 13;
+chassist = 13;
+nestlefloorh = 4.7;
+nestleceilh = 6.0;
+nestlewallmin = 10.0;
+nestlearchslope = 0.75 * sqrt(0.5);
+
+// Consequential values
+holderdcw = DoveClipPairSane_width(holderdccount);
 
 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]);
+    cube([effplugw, effplugh, model_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() {
+module GpsBody() { ////toplevel
   difference(){
     union(){
       difference(){
-	cube([outerw, outerh, outert]);
+	cube([model_outerw, model_outerh, model_outert]);
 	translate([bezelw, bezelboth, screent])
-	  cube([outerw-bezelw*2, outerh-bezelboth-bezeltoph, outert]);
-	translate([outerw-spkr2rhs, spkr2bot, -1])
-	  cylinder(r=spkrdia/2, h=outert+2);
+	  cube([model_outerw-bezelw*2,
+		model_outerh-bezelboth-bezeltoph,
+		model_outert]);
+	translate([model_outerw-spkr2rhs, spkr2bot, -1])
+	  cylinder(r=spkrdia/2, h=model_outert+2);
       }
-      translate([plug2lhs+plugw/2, plug2bot+plugh/2, 0.05])
-	cylinder(r=(plugw+plugh)/2, h=outert-0.02);
+      translate([plug2lhs+plugw/2, plug2bot+plugh/2, 0])
+	cylinder(r=(plugw+plugh)/2, h=model_outert);
       for (x=[plug2lhs-plugstrutw, plug2lhs+plugw])
-	translate([x, 0.1, 0.05])
-	  cube([plugstrutw, outerh-0.2, plugstrutt-0.10]);
+	translate([x, 0.1, 0])
+	  cube([plugstrutw, model_outerh-0.2, plugstrutt-0.10]);
     }
     GpsPlugPlug(0);
+    for (x=[0,model_outerw]) translate([x,0,0]) GpsBodyOuterBevel(model_outerh);
+    for (y=[0,model_outerh]) translate([0,y,0])
+      rotate([0,0,-90]) GpsBodyOuterBevel(model_outerw);
   }
 }
 
 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])
@@ -99,14 +169,14 @@ module GpsAssembled(){ ////toplevel
   GpsPlug();
 }
 
-module GpsBodyLT(){ ////toplevel
+module GpsBodyLT(){
   intersection(){
     GpsBody();
     GpsLHSMask();
   }
 }
 
-module GpsBodyRT(){ ////toplevel
+module GpsBodyRT(){
   difference(){
     GpsBody();
     GpsLHSMask(bodylhsrhsslop);
@@ -117,8 +187,188 @@ module GpsPlugT(){ ////toplevel
   rotate([0,-90,0]) GpsPlug();
 }
 
+module NestleCubeCutout(ca,cb,d){
+  dist = cb - ca;
+  cuth = -nestleh + nestlefloorh;
+  mirror([0,1,0]){
+    translate([0,1,0])
+    rotate([90,0,0]){
+      linear_extrude(height=d+2){
+	polygon([[ca+nestlebevel, cuth],
+		 [ca, cuth+nestlebevel*2],
+		 [ca, -dist/2/nestlearchslope-nestleceilh],
+		 [(ca+cb)/2, -nestleceilh],
+		 [cb, -dist/2/nestlearchslope-nestleceilh],
+		 [cb, cuth+nestlebevel*2],
+		 [cb-nestlebevel, cuth]]);
+      }
+    }
+  }
+}
+
+module NestleCube(){ ////toplevel
+  midw = nestlew/2;
+  midd = min(nestledl,nestledr);
+  midddb = max(nestleddbl,nestleddbr);
+
+  based0 = nestleddf;
+  based1 = midd - midddb;
+  basew0 = -nestledwr;
+  basew1 = +nestledwl-nestlew;
+
+  echo("wl,wr=", basew1, basew0);
+  echo("df,dbl,dbm,dbr",
+       based0, nestledl-nestleddbl, based1, nestledr-nestleddbr);
+
+  cutd0 = based0 + nestlewallmin;
+  cutd1 = based1 - nestlewallmin;
+  cutw0 = basew0 - nestlewallmin;
+  cutw1 = basew1 + nestlewallmin;
+
+  bevth = -nestleh + nestlebevel*2;
+  bevw = nestlebevel;
+  bevd = nestlebevel;
+
+  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,        bevth], // 5
+	  [-nestledwr+0      , -nestleddbr+nestledr, bevth], // 6
+	  [          -midw   , -midddb    +midd,     bevth], // 7
+	  [+nestledwl-nestlew, -nestleddbl+nestledl, bevth], // 8
+	  [+nestledwl-nestlew, +nestleddf +0,        bevth], // 9
+	  [-nestledwr+0      -bevw, +nestleddf +0       +bevd, -nestleh], // 10
+	  [-nestledwr+0      -bevw, -nestleddbr+nestledr-bevd, -nestleh], // 11
+	  [          -midw        , -midddb    +midd    -bevd, -nestleh], // 12
+	  [+nestledwl-nestlew+bevw, -nestleddbl+nestledl-bevd, -nestleh], // 13
+	  [+nestledwl-nestlew+bevw, +nestleddf +0       +bevd, -nestleh]], // 14
+	 triangles=[// main side panels
+		    [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],
+		    // bevels
+		    [6,7,12],[12,11,6],
+		    [7,8,13],[13,12,7],
+		    [8,9,14],[14,13,8],
+		    [9,5,10],[10,14,9],
+		    [5,6,11],[11,10,5],
+		    // top and bottom
+		    [4,3,2],[2,1,0],[0,4,2],
+		    [12,13,14],[10,11,12],[12,14,10]],
+	 convexity=3);
+      union(){
+	#NestleCubeCutout(cutw1, cutw0, max(nestledl,nestledr));
+	#rotate([0,0,90]) NestleCubeCutout(cutd0, cutd1, nestlew);
+      }
+    }
+  }
+
+  translate([gpsrightwardoffset,-gpsrearwardoffset,0])
+    rotate([0,0,90+gpsazimuth])
+    translate([nestledoveclipw/2,0,DoveClip_depth()-0.5])
+    rotate([0,-90,0])
+    DoveClipPairSane(count=3, h=nestledoveclipw);
+}
+
+module NestleCubeBaseTest(){ ////toplevel
+  intersection(){
+    translate([0,0,nestleh]) NestleCube();
+    translate([-100,-100,0]) cube([200,200,nestlebevel*5]);
+  }
+  cube([5,5,10]);
+}
+
+module NestleCubeCeilTest(){ ////toplevel
+  intersection(){
+    translate([0,0,3]) NestleCube();
+    translate([-100,-100,0]) cube([200,200,5.5]);
+  }
+  cube([5,5,10]);
+}
+
+module NestleCubePin(){ ////toplevel
+  DoveClipPin(nestledoveclipw*0.4);
+}
+
+module HolderSideL(){ ////toplevel
+  minz = -(bezelw - holderbezelmore) - holderbackt;
+  holdert = holder_outert + holderwallt*2;
+  cylr = 0.5*sqrt(holderdcw*holderdcw + holderdoveclipl*holderdoveclipl);
+  difference(){
+    translate([-holderh,
+	       -holderwallt,
+	       minz]) {
+      cube([holderh + holderhgap + cylr,
+	    holdert,
+	    -minz]);
+      translate([holderh + holderhgap + cylr, holdert/2, 0]) {
+	cylinder(r=cylr, h=-minz);
+	rotate([0,0,gpselevation])
+	  translate([0, -holderdoveclipl/2, -minz + DoveClip_depth()])
+	  rotate([0,-90,-90])
+	  DoveClipPairSane(count=holderdccount, h=holderdoveclipl);
+      }
+    }
+    translate([-holderh-1,
+	       0,
+	       minz + holderbackt])
+      cube([holderh+1,
+	    holder_outert,
+	    bezelw]);
+  }
+}
+
+module HolderSideR(){ ////toplevel
+  mirror([0,1,0]) HolderSideL();
+}
+
+module ChassisBar(){ ////toplevel
+  dist = holder_outerw - 2*((bezelw - holderbezelmore) + DoveClip_depth());
+  cliph = holderdcw;
+  for (mir=[0,1]) {
+    mirror([mir,0,0]) {
+      translate([dist/2, cliph/2, 0])
+	DoveClipPairSane(h=holderdoveclipl, count=holderdccount);
+      translate([-1, 0, 0])
+	cube([dist/2 - DoveClip_depth() + 1.1, chassish, chassist]);
+    }
+  }
+  translate([-gpsrightwardoffsetonbar, -DoveClip_depth(), 0])
+    rotate([0,0,-90])
+    DoveClipPairSane(h=nestledoveclipw, count=3,
+		     baseextend=chassist/2);
+}
+
+module HolderSidePin(){ ////toplevel
+  DoveClipPin(holderdoveclipl*0.5);
+}
+
+module Pins(){ ///toplevel
+  for (i=[1:4*holderdccount]) {
+    translate([i*10, 0, 0]) HolderSidePin();
+  }
+  for (i=[1:6]) {
+    translate([i*10, 20, 0]) NestleCubePin();
+  }
+}
+
 //GpsPlugT();
-GpsAssembled();
-//GpsLHSMask();
-//GpsBodyLT();
-//GpsBodyRT();
+//GpsAssembled();
+//GpsBody();
+//NestleCube();
+//NestleCubeBaseTest();
+//NestleCubeCeilTest();
+//NestleCubePin();
+//HolderSideL();
+//HolderSideR();
+//HolderSidePin();
+//ChassisBar();
+//Pins();