earring-stand: back wip

[reprap-play.git] / earring-stand.scad

diff --git a/earring-stand.scad b/earring-stand.scad
index 61eebe2beafaf567b716d3acaa9a4cab5b0b3ee3..bf049ea88d4dda4d96eb6abeaf39426b65898ba8 100644 (file)
--- a/earring-stand.scad
+++ b/earring-stand.scad
@@ -23,7 +23,6 @@ test_main_th = 1.5;
 test_eclips = 5;
 test_base_th = 2.5;
 test_len = eclip_each_len + eclip_each_every*(test_eclips-1);
-echo("test_len",test_len);
 
 num_eclips = 5;
 
@@ -149,11 +148,14 @@ module TestPlanDemo(){
 beta = asin(front_setback / front_height);
 
 uf = [-sin(beta), cos(beta)];
-ur = [-uf[0], uf[1]];
+ur = [ -uf[1], uf[0]];
 
 pp = [0, 0];
 pq = pp + uf*front_height + ur*eclip_ra_offset;
-pr = [ pq[0] - eclip_base_offset + eclip_wall_offset, 0 ];
+pr = [ pq[0] - eclip_base_offset - eclip_wall_offset,
+       0 ];
+
+echo("uf ur P Q R", uf, ur, pp, pq, pr);
 
 module Sketch(){
   polygon([pq, pp, pr]);
@@ -164,7 +166,6 @@ thicks = [ 2, 2, 2 ];
 module Joins(alpha, objnum, objnum_f, objnum_m) {
   pitch = (front_width - eclip_each_len) / (num_eclips-1);
   
-  echo("Joins",objnum, objnum_f, objnum_m);
   thm = thicks[objnum_m];
   stride = (front_width - eclip_each_len) / (num_eclips-1);
 
@@ -195,10 +196,9 @@ module Joins(alpha, objnum, objnum_f, objnum_m) {
 function r3(pc) = [ pc[0], 0, pc[1] ];
 
 module ObjectJoins(objnum){
-  echo("Object",objnum);
   translate(r3(pp))                   Joins(beta, objnum, 0,1);
   translate(r3(pr)) mirror([1,0,0])   Joins(0,    objnum, 0,2);
-  translate(r3(pq)) rotate([0,90,0])  Joins(beta, objnum, 2,1);
+  translate(r3(pq)) rotate([0,90,0]) mirror([1,0,0]) Joins(-beta, objnum, 2,1);
 }
 
 module Base(){
@@ -225,10 +225,30 @@ module Base(){
 
 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]]);
+  }
 }
 
 module Back(){
   ObjectJoins(2);
+
+  zmin = pr[1];
+  zmax = pq[1] + eclip_prong_th;
+  height = zmax - zmin;
+
+  translate([pr[0] + eclip_wall_offset - thicks[2],
+            0, 0])
+    rotate([0,90,0])
+    rotate([0,0,90]) {
+    cube([front_width,
+         height,
+         thicks[2]]);
+  }
 }
 
 module Demo(){