X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=doveclip.scad;h=5291c4946434292f254c967b6a7dbcdf6c6b5137;hb=14272f5096d1d5581331c1a85db1505886ddbb6a;hp=6ceb2fec674842fb631834997edcdd99bfea912a;hpb=aec6f62c61e0d41677238ce144d37755443e855b;p=reprap-play.git

diff --git a/doveclip.scad b/doveclip.scad
index 6ceb2fe..5291c49 100644
--- a/doveclip.scad
+++ b/doveclip.scad
@@ -1,29 +1,34 @@
+// -*- C -*-
+
 toothheight = 1.2;
 webthick = 1.8;
 height = 7;
-pindepth = 10;
+pinlengthfact = 1.2;
 nomrad = height/2 - toothheight;
-minrad = nomrad - 0.5;
-maxrad = nomrad + 0.5;
+minrad = nomrad - 0.75;
+maxrad = nomrad + 0.25;
 jawthick = 1.5;
 
 webgap = 0.4;
+basepinclear = 1.0;
 
 toothgap = webthick + webgap*2;
 basethick = toothheight;
 
-module DoveClipPin() {
-  translate([0,0, height/2]) intersection(){
+module DoveClipPin(h=height) {
+  pinh = h * pinlengthfact;
+  pinheight = nomrad*2 + jawthick*2;
+  translate([0,0, pinheight/2]) intersection(){
     union(){
       for (m=[0,1]) {
-	mirror([0,0,m]) translate([0,0,height/2]) rotate([90,0,0])
-	  cylinder($fn=20, r1=minrad, r2=maxrad, h=pindepth);
+	mirror([0,0,m]) translate([0,0,pinheight/2]) rotate([90,0,0])
+	  cylinder($fn=20, r1=minrad, r2=maxrad, h=pinh);
       }
-      translate([-webthick/2, -pindepth, -height/2-1])
-	cube([webthick, pindepth, height+2]);
+      translate([-webthick/2, -pinh, -pinheight/2-1])
+	cube([webthick, pinh, pinheight+2]);
     }
-    translate([-maxrad-1, -pindepth-1, -height/2])
-      cube([maxrad*2+2, pindepth+2, height]);
+    translate([-maxrad-1, -pinh-1, -pinheight/2])
+      cube([maxrad*2+2, pinh+2, pinheight]);
   }
 }
 
@@ -47,3 +52,14 @@ module DoveClipPair(baseextend=1, h=7) {
     translate([x,0,0])
       DoveClipEnd(baseextend=baseextend, h=h);
 }
+
+module DoveClipPairBase(baseextend=0.1, h=7) {
+  delta = nomrad*2 + jawthick;
+  intrude = nomrad + basethick - basepinclear;
+  for (x=[-delta/2,delta/2]) {
+    translate([x,0,0])
+      DoveClipEnd(baseextend=baseextend, h=h);
+  }
+  translate([-delta, -intrude, 0])
+    cube([delta*2, intrude+0.1, h]);
+}