doveclip introduce DoveClipPariSane_width; abolish DoveClip_width; NFC

[reprap-play.git] / doveclip.scad

diff --git a/doveclip.scad b/doveclip.scad
index 52f123073caa84e7bcc324acbf9e969239174048..6e9bb1d5d1b940c7eaaaa16d205eac426ec58c17 100644 (file)
--- a/doveclip.scad
+++ b/doveclip.scad
@@ -3,7 +3,7 @@
 toothheight = 1.2;
 webthick = 1.8;
 height = 7;
-pindepth = 10;
+pinlengthfact = 1.2;
 nomrad = height/2 - toothheight;
 minrad = nomrad - 0.75;
 maxrad = nomrad + 0.25;
@@ -15,22 +15,26 @@ basepinclear = 1.0;
 toothgap = webthick + webgap*2;
 basethick = toothheight;
 
-module DoveClipPin(h=pindepth) {
+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,pinheight/2]) rotate([90,0,0])
-         cylinder($fn=20, r1=minrad, r2=maxrad, h=h);
+         cylinder($fn=20, r1=minrad, r2=maxrad, h=pinh);
       }
-      translate([-webthick/2, -h, -pinheight/2-1])
-       cube([webthick, h, pinheight+2]);
+      translate([-webthick/2, -pinh, -pinheight/2-1])
+       cube([webthick, pinh, pinheight+2]);
     }
-    translate([-maxrad-1, -h-1, -pinheight/2])
-      cube([maxrad*2+2, h+2, pinheight]);
+    translate([-maxrad-1, -pinh-1, -pinheight/2])
+      cube([maxrad*2+2, pinh+2, pinheight]);
   }
 }
 
+function DoveClip_depth() =
+  basethick + nomrad*2 + toothheight;
+
 module DoveClipEnd(baseextend=1, h=7) {
   cubex = nomrad*2 + jawthick*2;
   cube0y = -basethick-nomrad*2-toothheight;
@@ -46,19 +50,28 @@ module DoveClipEnd(baseextend=1, h=7) {
 }
 
 module DoveClipPair(baseextend=1, h=7) {
-  delta = nomrad*2 + jawthick*2 + toothgap;
+  delta =  nomrad*2 + jawthick*2 + toothgap;
   for (x=[-delta/2,delta/2])
     translate([x,0,0])
       DoveClipEnd(baseextend=baseextend, h=h);
 }
 
-module DoveClipPairBase(baseextend=0.1, h=7) {
+module DoveClipPairBase(baseextend=0.1, h=7, count=2) {
   delta = nomrad*2 + jawthick;
   intrude = nomrad + basethick - basepinclear;
-  for (x=[-delta/2,delta/2]) {
-    translate([x,0,0])
+  for (i=[0:count-1]) {
+    translate([(i - (count-1)/2) * delta, 0, 0])
       DoveClipEnd(baseextend=baseextend, h=h);
   }
-  translate([-delta, -intrude, 0])
-    cube([delta*2, intrude+0.1, h]);
+  translate([-delta * count/2, -intrude, 0])
+    cube([delta * count, intrude+0.1, h]);
 }
+
+module DoveClipPairSane(baseextend=0, h=7, count=2) {
+  rotate([0,0,90])
+    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));