X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=filamentspool.scad;h=fe85c8f6fd7cae4f037a6842c77948bae73782a4;hp=e7230b1544c882cabfd8b8404984b2326a7b123e;hb=7eedab3e04eae517f990017b5af5a3cd2afcf6dd;hpb=ad602f0e94f6799569844990ca76b63108e90f96

diff --git a/filamentspool.scad b/filamentspool.scad
index e7230b1..fe85c8f 100644
--- a/filamentspool.scad
+++ b/filamentspool.scad
@@ -51,11 +51,21 @@ wingthick=3;
 armendwallthick=2.5;
 armendbasethick=1.2;
 
+axlehorizoffset = 12.5;
+axlevertheight = 80;
+towercliph = 16;
+towerclipcount = 3;
+towerpillarw = 5;
+
+washerthick = 1.2;
+washerrad = hubaxlerad + 7.5;
+
 ratchetpawl=ratchetstep-ratchettooth-bigslop*2;
 
 include <doveclip.scad>
 include <cliphook.scad>
 include <filamentteeth.scad>
+include <splitpin.scad>
 
 channelwidth = prongthick + slop;
 channeldepth = prongwidth + ratchettoothheight;
@@ -225,12 +235,72 @@ module Hub(){ ////toplevel
 
 module ArmExtender(){ ////toplevel
   DoveClipExtender(length=exteffrad-hubeffrad,
-		   pillarw=2,
 		   ha=doveclipheight,
 		   hb=doveclipheight);
 }
 
+module AxleSplitPin(){ ////toplevel
+  SplitPin();
+}
+
+module Axle(){ ////toplevel
+  pillarswidth = DoveClipPairSane_width(towerclipcount);
+
+if(0)
+  translate([-axlehorizoffset, -axlevertheight, 0]) {
+    rotate([0,0,-90])
+      DoveClipPairSane(h=towercliph, count=towerclipcount, baseextend=3);
+    translate([0, DoveClip_depth(), 0])
+    rotate([0,0,90])
+      ExtenderPillars(axlevertheight - DoveClip_depth(),
+		      pillarswidth, towercliph,
+		      pillarw=towerpillarw);
+  }
+
+  axleclearlen = hubaxlelen + slop*2 + washerthick;
+  axlerad = hubaxlerad+slop;
+  bump = axlerad * 0.2;
+  shift = axlerad-bump;
+  joinbelowallow = 3;
+
+  intersection(){
+    difference() {
+      translate([0, 0, shift])
+      union(){
+	translate([-1, 0, 0])
+	  rotate([0,90,0])
+	  cylinder(r = axlerad, h = 1 + axleclearlen + 6);
+	mirror([1,0,0]) rotate([0,90,0])
+	  cylinder(r = washerrad, h = 3);
+if(0)
+	intersection(){
+	  mirror([1,0,0]) rotate([0,90,0])
+	    cylinder(r = towercliph - shift,
+		     h = pillarswidth/2 + axlehorizoffset);
+	  translate([-50, -joinbelowallow, -50])
+	    cube([100, joinbelowallow+50, 100]);
+	}
+      }
+      translate([axleclearlen, 0, 0])
+	mirror([0,0,1])
+	rotate([0,0,90])
+	SplitPinCavity();
+    }
+    translate([-50,-50,0]) cube([100,100,100]);
+  }
+}
+
+module AxleWasher(){ ////toplevel
+  difference(){
+    cylinder(h=washerthick, r=washerrad);
+    translate([0,0,-1]) cylinder(h=washerthick+2, r=hubaxlerad+slop);
+  }
+}
+
 //ArmEnd();
 //FilamentCup();
 //CupSecuringClip();
 //Hub();
+//ArmExtender();
+//Axle();
+//AxleWasher();