X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=filamentspool.scad;h=414d31e962a8698f5435b4481528e77388e66678;hp=24ceded6e9437a6620b0c4baa176c63d4dffd3ff;hb=44b2f4a4d32a0572d98ed0147b83c1fda6a3d56e;hpb=0d14556842c73a5b0459fe3d44c55b6bb329bfc1

diff --git a/filamentspool.scad b/filamentspool.scad
index 24ceded..414d31e 100644
--- a/filamentspool.scad
+++ b/filamentspool.scad
@@ -5,9 +5,10 @@ fdia=1.75;
 slop=0.5;
 bigslop=slop*2;
 
-hubeffrad = 30;
+hubeffrad = 30 + 55;
 hubbigrad = 20;
-hublwidth = 4;
+hublwidth = 3;
+hubstemwidth = 2;
 hublthick = 10;
 hubaxlelen = 25;
 hubaxlerad = 5;
@@ -189,17 +190,25 @@ module Hub(){
     cylinder(h=hublthick, r=hubbigrad);
     translate([0,0,-1]) cylinder(h=hublthick+2, r=(hubbigrad-hublwidth));
   }
-  axlerad = hubaxlerad + slop;
+  axlerad = hubaxlerad + bigslop;
   difference(){
     cylinder(h=hubaxlelen, r=axlerad+hublwidth);
     translate([0,0,-1]) cylinder(h=hubaxlelen+2, r=axlerad);
   }
+  hole = hubeffrad - hubbigrad - DoveClip_depth() - hublwidth*2;
+  holewidth = DoveClip_width() - hubstemwidth*2;
   for (ang=[0,120,240])
     rotate([0,0,ang]) {
-      translate([hubeffrad,0,0])
-	DoveClipPairSane(h=doveclipheight,
-			 baseextend = (hubeffrad - DoveClip_depth()
-				       - hubbigrad + hublwidth));
+      difference() {
+	translate([hubeffrad,0,0])
+	  DoveClipPairSane(h=doveclipheight,
+			   baseextend = (hubeffrad - DoveClip_depth()
+					 - hubbigrad + hublwidth));
+	if (hole>hublwidth && holewidth > 2) {
+	  translate([hubbigrad + hublwidth, -holewidth/2, -1])
+	    cube([hole, holewidth, hublthick+2]);
+	}
+      }
     }
   xmin = axlerad+hublwidth/2;
   xmax = hubbigrad-hublwidth/2;
@@ -214,3 +223,5 @@ module Hub(){
 //ArmEnd();
 //FilamentCup();
 //CupSecuringClip();
+
+Hub();