doveclip DoveClipExtender

[reprap-play.git] / doveclip.scad

diff --git a/doveclip.scad b/doveclip.scad
index a58859c716f0bf3b7a8bde852a452a190b0a3ab9..cc2a02bcacd12c1554f66afae98bd6d78636e137 100644 (file)
--- a/doveclip.scad
+++ b/doveclip.scad
@@ -34,8 +34,6 @@ module DoveClipPin(h=height) {
 
 function DoveClip_depth() =
   basethick + nomrad*2 + toothheight;
-function DoveClip_width() =
-  nomrad*2 + jawthick*2 + toothgap;
 
 module DoveClipEnd(baseextend=1, h=7) {
   cubex = nomrad*2 + jawthick*2;
@@ -52,7 +50,7 @@ module DoveClipEnd(baseextend=1, h=7) {
 }
 
 module DoveClipPair(baseextend=1, h=7) {
-  delta = DoveClip_width();
+  delta =  nomrad*2 + jawthick*2 + toothgap;
   for (x=[-delta/2,delta/2])
     translate([x,0,0])
       DoveClipEnd(baseextend=baseextend, h=h);
@@ -74,3 +72,31 @@ module DoveClipPairSane(baseextend=0, h=7, count=2) {
     translate([0, DoveClip_depth(), 0])
     DoveClipPairBase(baseextend=baseextend, h=h, count=count);
 }
+
+function DoveClipPairSane_width(count=2) =
+  2 * (nomrad + jawthick + ((nomrad*2 + jawthick) * (count-1)/2));
+
+module DoveClipExtender(length, ha=7, hb=7, counta=2, countb=2,
+                       pillarw=3, pillarh=6, webthick=1) {
+  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;
+  pilesh = min(ha, hb) - 0.5;
+  d = 0.25;
+  echo(pilesh);
+  translate([DoveClip_depth() - 1, 0, 0]) {
+    for (mir=[0,1]) mirror([0,mir,0]) translate([0,-pilesw/2,0]) {
+      mirror([1,0,0]) rotate([0,-90,0]) linear_extrude(height=pillarlen){
+       polygon([[0,0], [pillarh,0], [0,pillarw]]);
+       polygon([[pilesh,0], [pilesh-pillarh,0], [pilesh,pillarw]]);
+       polygon([[0,d], [0,webthick], [pilesh-d,webthick], [pilesh-d,0]]);
+      }
+    }
+  }
+}
+
+//DoveClipExtender(length=100, ha=16, hb=12, counta=3, countb=4);