From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 23 Feb 2014 13:30:27 +0000 (+0000)
Subject: wardrobe-hook: frontbackly version: wip new approach
X-Git-Tag: filamentspool-v2-release~431
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=commitdiff_plain;h=35c4ebb85758082fd30687a14098f399a6abd914

wardrobe-hook: frontbackly version: wip new approach
---

diff --git a/wardrobe-hook.scad b/wardrobe-hook.scad
index 2636947..331121c 100644
--- a/wardrobe-hook.scad
+++ b/wardrobe-hook.scad
@@ -52,14 +52,18 @@ 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(){
@@ -110,9 +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();
-RightHook();
+//RightHook();