X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=wardrobe-hook.scad;h=331121cffc1772c73cefc8d38e703252bbb990eb;hb=94c38417c195ad9c990c5b9d3bae428421ac5e1c;hp=1f13834396102d26c66e726c128b648abbcc9814;hpb=8e8e53ea2178b293dee065684680b6cf4a7ec45f;p=reprap-play.git

diff --git a/wardrobe-hook.scad b/wardrobe-hook.scad
index 1f13834..331121c 100644
--- a/wardrobe-hook.scad
+++ b/wardrobe-hook.scad
@@ -15,8 +15,8 @@ module FArcSegment(xc,yc,inrad,outrad,alpha,delta) {
   translate([xc,yc]) {
     intersection() {
       difference() {
-	circle(r=outrad);
-	circle(r=inrad);
+	circle(r=outrad, $fn=70);
+	circle(r=inrad, $fn=70);
       }
       rotate(alpha) scale(outrad*2) {
 	FArcSegment_mask(delta);
@@ -25,16 +25,17 @@ module FArcSegment(xc,yc,inrad,outrad,alpha,delta) {
   }
 }
 
-tubeheight = 30;
-tubewidth = 15;
+tubeslop = 0.5;
+tubeheight = 30 + tubeslop;
+tubewidth = 15 + tubeslop;
 mainthick = 4;
 
 clipthick = 2;
-clipang = 120;
+clipang = 135;
 
-stemlen = 50;
+stemlen = 40;
 
-topwidth = 30;
+topwidth = 20;
 
 hookinrad = 7.5;
 hookcurl = 60;
@@ -51,20 +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])
@@ -109,5 +114,22 @@ module Hook(){ ////toplevel
   }
 }
 
+// frontbackly version, everything prefixed with f or F
+
+fstemleny = -hookcy;
+fbend = atan((tuberad - hookinrad) / fstemleny);
+
+module FPlan(){
+  ClipPlan(fbend, fstemleny);
+}
+
+// toplevels etc.
+
+module RightHook(){ ////toplevel
+  mirror([1,0,0]) Hook();
+}
+
+FPlan();
+translate([60,0,0]) Plan();
 //ElevationCore();
-Hook();
+//RightHook();