chiark / gitweb /
doveclip DoveClipExtender has rounded pillars (more)
authorIan Jackson <ijackson@chiark.greenend.org.uk>
Sun, 16 Sep 2012 14:22:49 +0000 (15:22 +0100)
committerIan Jackson <ijackson@chiark.greenend.org.uk>
Sun, 16 Sep 2012 14:22:49 +0000 (15:22 +0100)
doveclip.scad
filamentspool.scad

index 7c9c1a3..db8d85c 100644 (file)
@@ -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);
index e717285..e7230b1 100644 (file)
@@ -225,6 +225,7 @@ module Hub(){ ////toplevel
 
 module ArmExtender(){ ////toplevel
   DoveClipExtender(length=exteffrad-hubeffrad,
+                  pillarw=2,
                   ha=doveclipheight,
                   hb=doveclipheight);
 }