wardrobe-hook: wip, combine

[reprap-play.git] / wardrobe-hook.scad

diff --git a/wardrobe-hook.scad b/wardrobe-hook.scad
index b247bd0bcdb20c02986af33e949ad48aefbf3eec..e43822e13b77ffe10556e621b1dafc857fec7446 100644 (file)
--- a/wardrobe-hook.scad
+++ b/wardrobe-hook.scad
@@ -1,16 +1,18 @@
 // -*- C -*-
 
+include <funcs.scad>
+
 module FArcSegment_mask(beta) {
   for (i=[0 : 0.75 : 3]) {
     rotate(i*beta/4)
       polygon([[0, 0],
               [1, 0],
-              [cos(beta), sin(beta)]]);
+              [cos(beta/4), sin(beta/4)]]);
   }
 }
 
 module FArcSegment(xc,yc,inrad,outrad,alpha,delta) {
-  translate(xc,yc) {
+  translate([xc,yc]) {
     intersection() {
       difference() {
        circle(r=outrad);
@@ -23,4 +25,60 @@ module FArcSegment(xc,yc,inrad,outrad,alpha,delta) {
   }
 }
 
-FArcSegment(10,10, 20,30, 20,10);
+tubeheight = 30;
+tubewidth = 15;
+mainthick = 4;
+
+clipthick = 2;
+clipang = 120;
+
+stemlen = 50;
+
+topwidth = 30;
+
+hookinrad = 7.5;
+hookcurl = 60;
+hookwidth = 4;
+
+tuberad = tubewidth/2;
+bend = atan(tuberad/stemlen);
+mainoutrad = tuberad + mainthick;
+hookoutrad = hookinrad + hookwidth;
+hookcy = -(stemlen - hookoutrad);
+
+eltop = [topwidth/2, -tuberad + tubeheight + mainthick + 1];
+elmid = [topwidth/2, -tuberad];
+ellow = tangent_intersect_b([0,hookcy], hookinrad, elmid);
+ellowextra = 180 - tangent_intersect_beta([0,hookcy], hookinrad, elmid);
+
+module Plan(){
+  dy = tubeheight - tuberad*2;
+  FArcSegment(0, dy, tuberad, mainoutrad, -1, 181);
+  FArcSegment(0, 0,  tuberad, mainoutrad, -bend, bend+1);
+  translate([tuberad, 0]) square(center=false, size=[mainthick,dy]);
+  FArcSegment(0, 0, tuberad, tuberad + clipthick, 360-clipang, clipang+1);
+  rotate(-bend) translate([tuberad, 0]) mirror([0,1])
+    square(center=false, size=[mainthick, stemlen/cos(bend)]);
+}
+
+module ElevationCore(){
+  FArcSegment(0, hookcy, hookinrad, hookoutrad,
+             180 - ellowextra,
+             90 + hookcurl);
+  translate([-hookoutrad*sqrt(0.5), -(stemlen+10)]) mirror([1,0])
+    square(center=false, size=[topwidth, stemlen + tubeheight + 20]);
+  polygon([[-hookoutrad, ellow[1]],
+          reflect_in_y(eltop),
+          eltop,
+          elmid,
+          ellow]);
+}
+
+intersection(){
+  translate([0,1, -(topwidth+10)/2])
+    linear_extrude(height=topwidth+10) Plan();
+  translate([50,0])
+    rotate([0,-90,0])
+    linear_extrude(height=100)
+    ElevationCore();
+}