From e404a8f7c691de48d294fb2396e4c977d106f1b9 Mon Sep 17 00:00:00 2001
From: Bob - Home - Windows <rsheldiii@gmail.com>
Date: Sat, 17 Feb 2018 20:34:56 -0500
Subject: [PATCH] update key_mold to make it better!

---
 key_mold.scad | 139 ++++++++++++++++++++++++++++++++------------------
 1 file changed, 90 insertions(+), 49 deletions(-)

diff --git a/key_mold.scad b/key_mold.scad
index 0b300c4..67e9bac 100644
--- a/key_mold.scad
+++ b/key_mold.scad
@@ -1,12 +1,14 @@
 
+include <keys.scad>
+
 //key unit size
-unit = 19.05;
+unit = 19.05 * 1.5;
 
 //height of keycap
 height = 13;
 
 //minimum mold thickness
-extra = 15;
+extra = 12.5;
 
 //thicknesses of the mold
 side_thickness = 2;
@@ -14,81 +16,99 @@ bottom_thickness = 2;
 
 total_side = unit + extra*2 + side_thickness * 2;
 
+bottom_box_height = 5;
+
 function hypo(num) = sqrt(pow(num,2) / 2);
 
-module bottom_mold(){
+
+module bottom_box() {
   difference(){
     //outer box
-    cube([
-      total_side,
-      total_side,
-      5 + bottom_thickness,
-    ]);
+    cube([total_side, total_side, bottom_box_height + bottom_thickness]);
 
     //inner box
-    translate([
-      side_thickness,
-      side_thickness,
-      bottom_thickness
-    ]) {
-      cube([
-        unit + extra*2,
-        unit + extra*2,
-        5,
-      ]);
+    translate([ side_thickness, side_thickness, bottom_thickness]) {
+      cube([unit + extra*2, unit + extra*2, bottom_box_height + .02]);
     }
   }
+}
 
-  translate([total_side / 2, total_side / 2, 5 + bottom_thickness]) rotate([0,0,45]) difference(){
+module slanted_box() {
+  translate([total_side / 2, total_side / 2, bottom_box_height + bottom_thickness]) rotate([0,0,45]) difference(){
     //outer box
-      cylinder(
-      height + extra - 5,
+    cylinder(
+      height + extra - bottom_box_height + bottom_thickness * 4,
       hypo(total_side),
       hypo(total_side + 3),
       $fn=4
     );
 
     //inner box
-    cylinder(
-      height + extra - 5,
+    translate([0,0,-0.01]) cylinder(
+      height + extra - bottom_box_height + .02 + bottom_thickness * 4,
       hypo(unit + extra*2),
       hypo(unit + extra*2 + 3),
       $fn=4
     );
   }
+}
+
+module platform() {
   //platform
   translate([
     side_thickness + extra,
     side_thickness + extra,
     bottom_thickness
-  ]) cube([unit, unit, bottom_thickness]);
-/*
-  translate([
-    side_thickness + extra + unit / 2,
-    side_thickness + extra + unit / 2,
-    bottom_thickness*2
-  ]) rotate([0,0,45]) cylinder(bottom_thickness, unit/2 + 1, unit / 2, $fn=4);*/
+  ]) cube([unit, unit, bottom_thickness* 4]);
+}
 
-  //registration
-  translate([
-    side_thickness + extra / 2,
-    side_thickness + extra / 2,
-    bottom_thickness
-  ]) cylinder(3,extra/3, extra/4, $fn=4);
+module registration() {
+  positions = [
+    [// bottom left
+      side_thickness + extra / 2,
+      side_thickness + extra / 2,
+      bottom_thickness
+    ],
+    [// top left
+      side_thickness +  extra / 2,
+      side_thickness + unit + extra * 1.5,
+      bottom_thickness
+    ],
+    [// bottom right
+      side_thickness + unit + extra * 1.5,
+      side_thickness +  extra / 2,
+      bottom_thickness
+    ],
+    [// top right
+      side_thickness + unit + extra * 1.5,
+      side_thickness + unit + extra * 1.5,
+      bottom_thickness
+    ]
+  ];
 
-  //registration
-  translate([
-    side_thickness +  extra / 2,
-    side_thickness + unit + extra * 1.5,
-    bottom_thickness
-  ]) cylinder(3,extra/3, extra/4, $fn=4);
+  for (position = positions) {
+    translate(position) cylinder(3,extra/3, extra/4, $fn=4);
+  }
+}
 
-  //registration
+module key_for_mold(wall_thickness = 20) {
   translate([
-    side_thickness + unit + extra * 1.5,
-    side_thickness + unit + extra * 1.5,
-    bottom_thickness
-  ]) cylinder(3,extra/3, extra/4, $fn=4);
+    29,
+    29,
+    bottom_thickness * 5
+  ]) {
+    $wall_thickness = wall_thickness;
+    $support_type = false;
+    key();
+  }
+}
+
+module bottom_mold(){
+  bottom_box();
+  slanted_box();
+  platform();
+  registration();
+  /* key_for_mold(); */
 }
 
 module top_mold(){
@@ -115,6 +135,27 @@ module top_mold(){
   }
 }
 
-/*bottom_mold();*/
+module skinner_box() {
+  scale(.99) union() {
+    cube([total_side, total_side, bottom_box_height + bottom_thickness]);
+    translate([total_side / 2, total_side / 2, bottom_box_height + bottom_thickness]) rotate([0,0,45]){
+      //outer box
+      cylinder(
+        height + extra - bottom_box_height,
+        hypo(total_side),
+        hypo(total_side + 3),
+        $fn=4
+      );
+    }
+  }
+}
 
-translate([50,0,0]) top_mold();
+difference() {
+  /* skinner_box(); */
+
+  bottom_mold();
+}
+
+/* key_for_mold(0); */
+
+/* translate([100,0,0]) top_mold(); */