earring-stand: wip new approach to panes

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

diff --git a/earring-stand.scad b/earring-stand.scad
index 2f5234ee4e29f9c88864ad92d5c4c696c8ee28c0..b2c001cee167d753f08b0bb250d6a5d68b99a2dd 100644 (file)
--- a/earring-stand.scad
+++ b/earring-stand.scad
@@ -2,9 +2,13 @@
 
 include <commitid.scad>
 
+front_height = 80;
+front_width = 120;
+front_setback = 30;
+
 eclip_inner_rad = 2.5;
-eclip_gap_rad = 0.5;
-eclip_prong_th = 3;
+eclip_gap_rad = 0.1;
+eclip_prong_th = 2.25;
 eclip_outer_strt = 0.5;
 eclip_inner_xstrt = 0.5;
 
@@ -130,13 +134,67 @@ module TestRAProtr(){ ////toplevel
          test_base_th]);
 }
 
-module PlanDemo(){
+module TestPlanDemo(){
   color("red") EclipLPlan(test_alpha);
   color("blue") rotate(test_alpha) EclipPPlan(test_main_th);
   color("green") EclipRPlan(test_alpha, test_main_th);
 }
 
+beta = asin(front_setback / front_height);
+
+uf = [-sin(beta), cos(beta)];
+ur = [-uf[0], uf[1]];
+
+pp = [0, 0];
+pq = pp + uf*front_height + ur*eclip_ra_offset;
+pr = [ pq[0] - eclip_base_offset + eclip_wall_offset, 0 ];
+
+module Sketch(){
+  polygon([pq, pp, pr]);
+}
+
+thicks = [ 2, 2, 2 ];
+
+module Joins(alpha, objnum, objnum_f, objnum_m) {
+  echo("Joins",objnum, objnum_f, objnum_m);
+  thm = thicks[objnum_m];
+  if (objnum==objnum_f) {
+    EclipLPlan(alpha);
+    EclipRPlan(alpha, thm);
+  }
+  if (objnum==objnum_m)
+    rotate(alpha)
+      EclipPPlan(thm);
+}
+
+module ObjectJoins(objnum){
+  echo("Object",objnum);
+  translate(pp)                   Joins(beta, objnum, 0,1);
+  translate(pr) mirror([1,0,0])   Joins(0,    objnum, 0,2);
+  translate(pq) rotate([0,0,-90]) Joins(beta, objnum, 2,1);
+}
+
+module Base(){
+  ObjectJoins(0);
+}
+
+module Front(){
+  ObjectJoins(1);
+}
+
+module Back(){
+  ObjectJoins(2);
+}
+
+module Demo(){
+  Base();
+  Front();
+  Back();
+}
+
 //PlanDemo();
 //TestBase();
 //TestProtr();
 //TestRAProtr();
+//Sketch();
+Demo();