X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=filamentspool.scad;h=4c930fddb2d2b203084111a7449923fa97dad396;hp=414d31e962a8698f5435b4481528e77388e66678;hb=6610e5b1c41deb8136b2092e2577ebc7dbf4cd12;hpb=44b2f4a4d32a0572d98ed0147b83c1fda6a3d56e

diff --git a/filamentspool.scad b/filamentspool.scad
index 414d31e..4c930fd 100644
--- a/filamentspool.scad
+++ b/filamentspool.scad
@@ -5,7 +5,7 @@ fdia=1.75;
 slop=0.5;
 bigslop=slop*2;
 
-hubeffrad = 30 + 55;
+hubeffrad = 30; // + 55;
 hubbigrad = 20;
 hublwidth = 3;
 hubstemwidth = 2;
@@ -187,13 +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;
+  axlerad = hubaxlerad + slop;
   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;
@@ -216,7 +217,8 @@ 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]]);
     }
 }