X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=wardrobe-hook.scad;h=27b02dc984b03a2a954c4ad57dcc336918875aff;hp=c04496dcec32414fffe448d38c8d8a037fe7ec2e;hb=eb49b7376b011467575229b3214f48860588dfe2;hpb=9d593a7fbd219e88e1985c626a74c30419f932c0

diff --git a/wardrobe-hook.scad b/wardrobe-hook.scad
index c04496d..27b02dc 100644
--- a/wardrobe-hook.scad
+++ b/wardrobe-hook.scad
@@ -31,11 +31,11 @@ tubewidth = 15 + tubeslop;
 mainthick = 4;
 
 clipthick = 2;
-clipang = 120;
+clipang = 135;
 
-stemlen = 50;
+stemlen = 40;
 
-topwidth = 30;
+topwidth = 20;
 
 hookinrad = 7.5;
 hookcurl = 60;
@@ -52,20 +52,24 @@ elmid = [topwidth/2, -tuberad];
 ellow = tangent_intersect_b([0,hookcy], hookinrad, elmid);
 ellowextra = 180 - tangent_intersect_beta([0,hookcy], hookinrad, elmid);
 
-module Plan(){
+module ClipPlan(qbend, qstemleny){
   dy = tubeheight - tuberad*2;
   FArcSegment(0, dy, tuberad, mainoutrad, -1, 181);
-  FArcSegment(0, 0,  tuberad, mainoutrad, -bend, bend+1);
+  FArcSegment(0, 0,  tuberad, mainoutrad, -qbend, qbend+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)]);
+  rotate(-qbend) translate([tuberad, 0]) mirror([0,1])
+    square(center=false, size=[mainthick, qstemleny/cos(qbend)]);
+}
+
+module Plan(){
+  ClipPlan(bend,stemlen);
 }
 
 module ElevationCore(){
   FArcSegment(0, hookcy, hookinrad, hookoutrad,
 	      180 - ellowextra,
-	      90 + hookcurl);
+	      90 + hookcurl + ellowextra);
   translate([-hookoutrad*sqrt(0.5),
 	      hookcy - hookoutrad*sqrt(0.5) + 0.1])
     mirror([1,0])
@@ -110,5 +114,28 @@ module Hook(){ ////toplevel
   }
 }
 
+// straight-on version, everything prefixed with s or S
+
+shookcy = -(stemlen-hookoutrad);
+sstemleny = -shookcy;
+sbend_raw = tangents_intersect_beta([0,0],tuberad,
+				    [0,shookcy],hookinrad);
+sbend = angle_map_range(360-sbend_raw, -180);
+
+module SPlan(){
+  ClipPlan(sbend, sstemleny);
+  FArcSegment(0,shookcy, hookinrad,hookoutrad,
+	      270 - hookcurl,
+	      hookcurl + 90 - sbend);
+}
+
+// toplevels etc.
+
+module RightHook(){ ////toplevel
+  mirror([1,0,0]) Hook();
+}
+
+SPlan();
+translate([60,0,0]) ElevationCore();
 //ElevationCore();
-Hook();
+//RightHook();