X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=filamentspool.scad;h=4cd3b67f575ff876387d33731f59de4c1a79e497;hp=06115c71b5d17fdea5f1bdfdbc58ef12a674e897;hb=32aa0eaa813a49404630a3da95e28abb57ac38f9;hpb=6c2f54d6bb2de555be96fa28ed88fb1829e32475

diff --git a/filamentspool.scad b/filamentspool.scad
index 06115c7..4cd3b67 100644
--- a/filamentspool.scad
+++ b/filamentspool.scad
@@ -5,7 +5,8 @@ fdia=1.75;
 slop=0.5;
 bigslop=slop*2;
 
-hubeffrad = 30; // + 55;
+exteffrad = 85;
+hubeffrad = 30;
 hubbigrad = 20;
 hublwidth = 3;
 hubstemwidth = 2;
@@ -50,11 +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 + 10;
+
 ratchetpawl=ratchetstep-ratchettooth-bigslop*2;
 
 include <doveclip.scad>
 include <cliphook.scad>
 include <filamentteeth.scad>
+include <splitpin.scad>
 
 channelwidth = prongthick + slop;
 channeldepth = prongwidth + ratchettoothheight;
@@ -62,7 +73,7 @@ totalwidth = armendwallthick*2 + channelwidth;
 totalheight = channeldepth + armendbasethick;
 stalkwidth = prongwidth + prongstalkxwidth;
 
-module ArmEnd(length=120){
+module ArmEnd(length=120){ ////toplevel
   translate([ratchettoothsmoothr, channelwidth/2, -armendbasethick]) {
     rotate([0,0,-90])
       DoveClipPairBase(h=doveclipheight);
@@ -122,7 +133,7 @@ module FilamentCupCup(){
   }
 }
 
-module FilamentCup() {
+module FilamentCup() { ////toplevel
   FilamentCupHandle();
 
   dx = cupbigrad + prongwidth;
@@ -168,7 +179,7 @@ module CupSecuringClipSolidSmooth(xrad=0, xdepth=0){
   }
 }
 
-module CupSecuringClip(){
+module CupSecuringClip(){ ////toplevel
   wingswidth = wingspoke*2 + overclipthick*2 + overcliproundr*2 + totalwidth;
   difference(){
     union(){
@@ -181,23 +192,23 @@ module CupSecuringClip(){
   }
 }
 
-module ArmDoveClipPin(){
+module ArmDoveClipPin(){ ////toplevel
   DoveClipPin(h=doveclipheight);
 }
 
-module Hub(){
+module Hub(){ ////toplevel
   difference(){
     cylinder($fn=60, h=hublthick, r=hubbigrad);
     translate([0,0,-1])
       cylinder($fn=30, h=hublthick+2, r=(hubbigrad-hublwidth));
   }
-  axlerad = hubaxlerad + bigslop;
+  axlerad = hubaxlerad + slop;
   difference(){
     cylinder(h=hubaxlelen, r=axlerad+hublwidth);
     translate([0,0,-1]) cylinder($fn=60, h=hubaxlelen+2, r=axlerad);
   }
   hole = hubeffrad - hubbigrad - DoveClip_depth() - hublwidth*2;
-  holewidth = DoveClip_width() - hubstemwidth*2;
+  holewidth = DoveClipPairSane_width() - hubstemwidth*2;
   for (ang=[0,120,240])
     rotate([0,0,ang]) {
       difference() {
@@ -222,8 +233,64 @@ module Hub(){
     }
 }
 
+module ArmExtender(){ ////toplevel
+  DoveClipExtender(length=exteffrad-hubeffrad,
+		   ha=doveclipheight,
+		   hb=doveclipheight);
+}
+
+module AxleSplitPin(){ ////toplevel
+  SplitPin();
+}
+
+module Axle(){ ////toplevel
+  pillarswidth = DoveClipPairSane_width(towerclipcount);
+
+  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);
+	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]);
+  }
+}
+
 //ArmEnd();
 //FilamentCup();
 //CupSecuringClip();
-
-Hub();
+//Hub();
+//ArmExtender();
+Axle();