chiark / gitweb /
filamentspool hub thinner
[reprap-play.git] / filamentspool.scad
index 7f7c25540b9ed014ba79dfa8012723afaae8a99a..ab7ab60eedaa9c3d1458850852191a1a9e7804b0 100644 (file)
@@ -5,6 +5,14 @@ fdia=1.75;
 slop=0.5;
 bigslop=slop*2;
 
+hubeffrad = 30 + 55;
+hubbigrad = 20;
+hublwidth = 3;
+hubstemwidth = 2;
+hublthick = 10;
+hubaxlelen = 25;
+hubaxlerad = 5;
+
 prongthick=5;
 prongwidth=5;
 ratchetstep=15;
@@ -32,8 +40,8 @@ overclipdepth=15;
 overcliproundr=2.0;
 overclipthick=0.5;
 
-overclipsmaller=-1.0;
-overclipbigger=2.0;
+overclipsmaller=-2.5;
+overclipbigger=0.0;
 
 wingspoke=3;
 wingsize=6;
@@ -169,7 +177,7 @@ module CupSecuringClip(){
        cube([wingswidth, wingsize, wingthick]);
     }
     translate([0,0,-0.1])
-      CupSecuringClipSolidSmooth(xrad=0, xdepth=5);
+      CupSecuringClipSolidSmooth(xrad=0, xdepth=0.2);
   }
 }
 
@@ -177,6 +185,41 @@ module ArmDoveClipPin(){
   DoveClipPin(h=doveclipheight);
 }
 
+module Hub(){
+  difference(){
+    cylinder(h=hublthick, r=hubbigrad);
+    translate([0,0,-1]) cylinder(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);
+  }
+  hole = hubeffrad - hubbigrad - DoveClip_depth() - hublwidth*2;
+  holewidth = DoveClip_width() - hubstemwidth*2;
+  for (ang=[0,120,240])
+    rotate([0,0,ang]) {
+      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;
+  for (ang = [0 : 60 : 359])
+    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]]);
+    }
+}
+
 //ArmEnd();
 //FilamentCup();
 //CupSecuringClip();