From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 16 Sep 2012 14:22:49 +0000 (+0100)
Subject: doveclip DoveClipExtender has rounded pillars (more)
X-Git-Tag: filamentspool-v2-release~816
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=commitdiff_plain;h=ad602f0e94f6799569844990ca76b63108e90f96;ds=sidebyside

doveclip DoveClipExtender has rounded pillars (more)
---

diff --git a/doveclip.scad b/doveclip.scad
index 7c9c1a3..db8d85c 100644
--- a/doveclip.scad
+++ b/doveclip.scad
@@ -78,21 +78,23 @@ function DoveClipPairSane_width(count=2) =
 
 module DoveClipExtender(length, ha=7, hb=7, counta=2, countb=2,
 			pillarw=3.5, pillarslope=0.75, webthick=1) {
+  pillarr=pillarw/2;
+
   mirror([1,0,0])
     DoveClipPairSane(h=ha, count=counta);
   translate([length,0,0])
     DoveClipPairSane(h=hb, count=countb);
   pillarlen = length - DoveClip_depth() * 2 + 2;
   pilesw = min(DoveClipPairSane_width(counta), DoveClipPairSane_width(countb))
-    - 0.5 - pillarw*2;
+    - 0.5 - pillarr*2;
   pilesh = min(ha, hb) - 0.5;
   d = 0.25;
   echo(pilesh);
 
   intangle = atan(pillarslope);
-  polyjx = sin(intangle)*pillarw;
-  polyjy = cos(intangle)*pillarw;
-  polyex = -tan(intangle+90)*pillarw;
+  polyjx = sin(intangle)*pillarr;
+  polyjy = cos(intangle)*pillarr;
+  polyex = -tan(intangle+90)*pillarr;
   webmidy = pilesh/2+d;
 
   translate([DoveClip_depth() - 1, 0, 0]) {
@@ -101,14 +103,13 @@ module DoveClipExtender(length, ha=7, hb=7, counta=2, countb=2,
 	  translate([0,0,pilesh/2]) mirror([0,0,xmir])
 	      translate([0,0,-pilesh/2]) {
 	    intersection() {
-	      translate([-1, -pillarw-5, 0.01])
-		cube([pillarlen+2, pilesh+pillarw*2+10, pilesw]);
+	      translate([-1, -pillarr-5, 0.01])
+		cube([pillarlen+2, pilesh+pillarr*2+10, pilesw]);
 	      mirror([1,0,0]) rotate([0,-90,0])
 		linear_extrude(height=pillarlen) union(){
-		  circle(r=pillarw, $fn=20);
+		  circle(r=pillarr, $fn=20);
 		  polygon([[polyjx,polyjy-0.1], [polyex, 0],
 			   [polyjx,-(polyjy-0.1)]]);
-		  //polygon([[pilesh,0], [pilesh-pillarh,0], [pilesh,pillarw]]);
 		  polygon([[0,-webthick/2], [0,webthick/2],
 			   [webmidy,webthick/2], [webmidy,-webthick/2]]);
 	      }
@@ -118,4 +119,4 @@ module DoveClipExtender(length, ha=7, hb=7, counta=2, countb=2,
   }
 }
 
-//DoveClipExtender(length=100, ha=16, hb=20, counta=3, countb=4);
+DoveClipExtender(length=100, ha=16, hb=20, counta=3, countb=4);
diff --git a/filamentspool.scad b/filamentspool.scad
index e717285..e7230b1 100644
--- a/filamentspool.scad
+++ b/filamentspool.scad
@@ -225,6 +225,7 @@ module Hub(){ ////toplevel
 
 module ArmExtender(){ ////toplevel
   DoveClipExtender(length=exteffrad-hubeffrad,
+		   pillarw=2,
 		   ha=doveclipheight,
 		   hb=doveclipheight);
 }