X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=filamentspool.scad;h=06115c71b5d17fdea5f1bdfdbc58ef12a674e897;hb=6c2f54d6bb2de555be96fa28ed88fb1829e32475;hp=19aa12ccb62b847f997e6c48462679122bdcfd74;hpb=db5e2d3f3e2bb2792da22498b80a14f888f4e632;p=reprap-play.git

diff --git a/filamentspool.scad b/filamentspool.scad
index 19aa12c..06115c7 100644
--- a/filamentspool.scad
+++ b/filamentspool.scad
@@ -5,9 +5,10 @@ fdia=1.75;
 slop=0.5;
 bigslop=slop*2;
 
-hubeffrad = 30 + 55;
+hubeffrad = 30; // + 55;
 hubbigrad = 20;
-hublwidth = 4;
+hublwidth = 3;
+hubstemwidth = 2;
 hublthick = 10;
 hubaxlelen = 25;
 hubaxlerad = 5;
@@ -186,13 +187,14 @@ module ArmDoveClipPin(){
 
 module Hub(){
   difference(){
-    cylinder(h=hublthick, r=hubbigrad);
-    translate([0,0,-1]) cylinder(h=hublthick+2, r=(hubbigrad-hublwidth));
+    cylinder($fn=60, h=hublthick, r=hubbigrad);
+    translate([0,0,-1])
+      cylinder($fn=30, h=hublthick+2, r=(hubbigrad-hublwidth));
   }
   axlerad = hubaxlerad + bigslop;
   difference(){
     cylinder(h=hubaxlelen, r=axlerad+hublwidth);
-    translate([0,0,-1]) cylinder(h=hubaxlelen+2, r=axlerad);
+    translate([0,0,-1]) cylinder($fn=60, h=hubaxlelen+2, r=axlerad);
   }
   hole = hubeffrad - hubbigrad - DoveClip_depth() - hublwidth*2;
   holewidth = DoveClip_width() - hubstemwidth*2;
@@ -215,10 +217,13 @@ module Hub(){
     rotate([0,0,ang]) rotate([90,0,0]) {
       translate([0,0,-hublwidth/2])
 	linear_extrude(height=hublwidth)
-	polygon([[xmin,0], [xmax,0], [xmax,hublthick], [xmin,hubaxlelen]]);
+	polygon([[xmin,0.05], [xmax,0.05],
+		 [xmax,hublthick-0.2], [xmin, hubaxlelen-0.2]]);
     }
 }
 
 //ArmEnd();
 //FilamentCup();
 //CupSecuringClip();
+
+Hub();