From 55a45ed2fbde4a396717f14fcd59691c00ffd4c1 Mon Sep 17 00:00:00 2001
From: jaseg <s@jaseg.de>
Date: Sat, 7 Jan 2012 04:10:00 +0100
Subject: [PATCH] Now with round corners and a hollow inside

---
 keycap-std.scad | 74 +++++++++++++++++++++++++++++++++------------------------
 1 file changed, 43 insertions(+), 31 deletions(-)
 rewrite keycap-std.scad (65%)

diff --git a/keycap-std.scad b/keycap-std.scad
dissimilarity index 65%
index 469acdd..b4b63ca 100644
--- a/keycap-std.scad
+++ b/keycap-std.scad
@@ -1,31 +1,43 @@
-//measures are in millimeters
-AY=18.5;
-AX=19.0;
-BY=12.5;
-BLX=14.5;
-EZ=11.0;
-FLZ=14.0;
-H=12.75;
-CYL_OFF_Z=50;
-CYL_DEPTH=0.75;
-
-
-WallThickness=0.75;
-ClipWidth=2.2;
-ClipDepth=0.75;
-
-ascfront=FLZ/sqrt(pow(FLZ,2)-pow(H,2));
-asctop=(H-EZ)/sqrt(pow(BLX,2)-pow((H-EZ),2));
-
-alpha=asin((H-EZ)/BLX);
-beta=asin(H/FLZ);
-gamma=90-asin((0.5*(AY-BY))/EZ);
-
-difference(){
-	cube([AX,AY,H]);
-	rotate(a=gamma,v=[1,0,0]) cube([100,100,100]);
-	translate([0,AY,0]) rotate(a=90-gamma,v=[1,0,0]) cube([100,100,100]);
-	translate([0,0,EZ]) rotate(a=-alpha,v=[0,1,0]) translate([-50,0,0]) cube([100,100,100]);
-	translate([0,AY/2,EZ+CYL_OFF_Z]) rotate(a=90-alpha,v=[0,1,0]) cylinder(h=100,center=true,r=CYL_OFF_Z+CYL_DEPTH,$fa=1);
-	translate([AX,0,0]) rotate(a=beta-90,v=[0,1,0]) cube([100,100,100]);
-}
\ No newline at end of file
+//measures are in millimeters
+AY=18.5;
+AX=19.0;
+BY=12.5;
+BLX=14.5;
+EZ=11.0;
+FLZ=14.0;
+H=12.75;
+CYL_OFF_Z=50;
+CYL_DEPTH=0.75;
+
+
+WallThickness=0.75;
+ClipWidth=2.2;
+ClipDepth=0.75;
+
+//ascfront=FLZ/sqrt(pow(FLZ,2)-pow(H,2));
+//asctop=(H-EZ)/sqrt(pow(BLX,2)-pow((H-EZ),2));
+
+alpha=asin((H-EZ)/BLX);
+beta=asin(H/FLZ);
+gamma=90-asin((0.5*(AY-BY))/EZ);
+
+module keycap(){
+	scale([AX/(AX+1+2),AY/(AY+2+0.01),H/(H+0.01+1)])
+	minkowski(){
+		difference(){
+			cube([AX,AY,H]);
+			rotate(a=gamma,v=[1,0,0]) cube([100,100,100]);
+			translate([0,AY,0]) rotate(a=90-gamma,v=[1,0,0]) cube([100,100,100]);
+			translate([0,0,EZ]) rotate(a=-alpha,v=[0,1,0]) translate([-50,0,0]) cube([100,100,100]);
+			translate([0,AY/2,EZ+CYL_OFF_Z]) rotate(a=90-alpha,v=[0,1,0]) cylinder(h=100,center=true,r=CYL_OFF_Z+CYL_DEPTH,$fa=1);
+			translate([AX,0,0]) rotate(a=beta-90,v=[0,1,0]) cube([100,100,100]);
+		}
+		cylinder(h=0.01,r=2,$fs=0.6);
+		//rotate(a=90,v=[1,0,0]) cylinder(h=0.01,r=1,$fs=0.3);
+	}
+}
+
+difference(){
+	keycap();
+	translate([WallThickness, WallThickness, 0]) scale(v=[1-2*WallThickness/AX, 1-2*WallThickness/AY, 1-WallThickness/H]) keycap();
+}
\ No newline at end of file
-- 
2.11.4.GIT