X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=filamentspool.scad;h=48d0a48291e8713199379baf389ca5db92ccae52;hb=8d1b8f979e48d66016384f11561aac81460b871d;hp=40e893d1dd85a9ebe885a2c472d103d9944e1e87;hpb=00bd9e2ae6eb1e00792ed85d3e8e8a04745de3e9;p=reprap-play.git

diff --git a/filamentspool.scad b/filamentspool.scad
index 40e893d..48d0a48 100644
--- a/filamentspool.scad
+++ b/filamentspool.scad
@@ -80,6 +80,9 @@ ratchetpawl=ratchetstep-ratchettooth-bigslop*2;
 nondove_armbase = 100;
 nondove_armhole_x = 60;
 nondove_armhole_hole = 4;
+nondove_armhole_support = 7;
+nondove_armhole_wall = 4;
+nondove_armhole_slop = 0.5;
 
 include <doveclip.scad>
 include <cliphook.scad>
@@ -241,6 +244,7 @@ module Hub(){ ////toplevel
   xmax = hubbigrad-hublwidth/2;
   hole = hubeffrad - hubbigrad - DoveClip_depth() - hublwidth*2;
   holewidth = DoveClipPairSane_width() - hubstemwidth*2;
+  nondove_allwidth = nondove_armhole_wall*2 + totalwidth;
   difference(){
     union(){
       difference(){
@@ -262,6 +266,24 @@ module Hub(){ ////toplevel
 		  cube([hole, holewidth, hublthick+2]);
 	      }
 	    } else {
+	      difference(){
+		translate([0,
+			   -nondove_allwidth/2,
+			   0])
+		  cube([hubeffrad + nondove_armhole_x
+			+ nondove_armhole_hole/2 + nondove_armhole_support,
+			nondove_allwidth,
+			nondove_armhole_wall + totalheight]);
+		translate([hubeffrad,
+			   -nondove_allwidth/2
+			   + nondove_armhole_wall - nondove_armhole_slop,
+			   nondove_armhole_wall])
+		  cube([nondove_armhole_x + 50,
+			totalwidth + nondove_armhole_slop*2,
+			totalheight + 1]);
+		translate([hubeffrad + nondove_armhole_x, 0, -20])
+		   cylinder(r= nondove_armhole_hole/2, h=50, $fn=10);
+	      }
 	    }
 	  }
 	}