// -*- C -*-
-outerw = 140;
-outerh = 80;
-bezelw = 8;
-bezelboth = 8;
-bezeltoph = 8;
-outert = 10;
-
-spkrdia = 40;
-spkr2bot = 40;
-spkr2rhs = 30;
-
-plugw = 10;
-plugh = 8;
-plug2bot = 30;
-plug2lhs = 40;
+// Dimensions of the main GPS body
+outerw = 120 + 2.5;
+outerh = 75 - 0.2;
+outert = 15 - 1.0;
+outerbackbevel = 3;
-screent = 1.0;
+// Dimensions of the bezel area round the edges
+bezelw = 11 - 0.5;
+bezelboth = 11 - 0.5;
+bezeltoph = 7 - 0.5;
+
+// Dimensions of the speaker at the back
+spkrdia = 22;
+spkr2bot = 19;
+spkr2rhs = 25;
+
+// Dimensions of the plug and wire
+plugw = 12;
+plugh = 9;
+plug2bot = 11;
+plug2lhs = 11;
+plugtotald = 15;
+pluggapd = 5;
+
+// 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() {
+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(){
translate([outerw-spkr2rhs, spkr2bot, -1])
cylinder(r=spkrdia/2, h=outert+2);
}
- translate([plug2lhs+plugw/2, plug2bot+plugh/2, 0.01])
- cylinder(r=(plugw+plugh)/2, h=outert-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, 0.01])
- cube([plugstrutw, outerh-0.2, plugstrutt-0.02]);
+ translate([x, 0.1, 0])
+ cube([plugstrutw, outerh-0.2, plugstrutt-0.10]);
}
- translate([plug2lhs, plug2bot, -1])
- cube([plugw, plugh, outert+2]);
+ 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);
}
}
-Gps();
+module GpsPlug() {
+ plugwireh = plug2bot + plugwiremoreh;
+ translate([-plugslop,0,0]) 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]]);
+ }
+ }
+ }
+ }
+}
+
+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();