X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=earring-stand.scad;h=1887e2d5a5c9e89cc578adfa062283502c51cd2a;hb=199b0fd22e4458162cc829d77fb4d27ce380f872;hp=7c44031eb10e2d1beddde7da01abcf5f1209f9eb;hpb=04c7181325dc5ab5fba4d8778034b13912b322cd;p=reprap-play.git

diff --git a/earring-stand.scad b/earring-stand.scad
index 7c44031..1887e2d 100644
--- a/earring-stand.scad
+++ b/earring-stand.scad
@@ -5,11 +5,19 @@ include <commitid.scad>
 front_height = 80;
 front_width = 120;
 front_setback = 30;
-front_thick = 2;
+front_thick = 2.4;
 
-back_thick = 2;
+front_hex_stride = 12.5;
+front_hex_dia = 9.5;
 
-base_thick = 2;
+front_hex_y_fudge = -0.65;
+
+front_surround_lr =3;
+
+back_thick = 3;
+back_pillarw = 6;
+
+base_thick = 2.4;
 
 eclip_inner_rad = 2.5;
 eclip_gap_rad = 0.1;
@@ -51,6 +59,8 @@ eclip_wall_offset = -ppxl;
 
 eclip_ra_offset = r2 - 0.1;
 
+eclip_recept_height = r2;
+
 eclip_rhs_offset = ppxl + rgap + eclip_prong_th;
 // does not include main_th
 
@@ -228,14 +238,50 @@ module Base(){
 	  thicks[0]]);
 }
 
+module FrontPattern(){
+  totalh = front_height - eclip_wall_offset + thicks[1];
+
+  ystride = front_hex_stride;
+  xstride = front_hex_stride * cos(30) * 2;
+
+  difference(){
+    square([front_width, totalh]);
+    translate([ front_surround_lr,
+		eclip_recept_height ])
+      square([ front_width - front_surround_lr*2,
+	       totalh - eclip_recept_height*2
+	       ]);
+  }
+    
+  difference(){
+    square([front_width, totalh]);
+    for (xi=[ -5 : 5 ]) {
+      translate([front_width/2 +
+		 xi * xstride,
+		 0]) {
+	for (yi=[ 0 : 10 ]) {
+	  echo(yi);
+	  translate([0, yi * ystride +
+		     front_hex_dia*front_hex_y_fudge]) {
+	    for (dv=[ [0,0],
+		      [-xstride/2, -ystride/2]
+		      ])
+	      translate(dv)
+		circle(r= front_hex_dia/2, $fn=6);
+	  }
+	}
+      }
+    }
+  }
+}
+
 module Front(){
   ObjectJoins(1);
   rotate([0, 90-beta, 0])
     translate([0, 0, ppxl])
     rotate([0,0,90]) {
-    cube([front_width,
-	  front_height - eclip_wall_offset + thicks[1],
-	  thicks[1]]);
+    linear_extrude(height=thicks[1])
+      FrontPattern();
   }
 }
 
@@ -250,9 +296,17 @@ module Back(){
 	     0, 0])
     rotate([0,90,0])
     rotate([0,0,90]) {
-    cube([front_width,
-	  height,
-	  thicks[2]]);
+    difference(){
+      cube([front_width,
+	    height,
+	    thicks[2]]);
+      translate([back_pillarw,
+		 eclip_recept_height,
+		 -10])
+	cube([front_width - back_pillarw*2,
+	      height - eclip_recept_height*2 - eclip_prong_th,
+	      20]);
+    }
   }
 }