filamentspool: Working on Cup

[reprap-play.git] / filamentspool.scad

diff --git a/filamentspool.scad b/filamentspool.scad
index 3194112d489454c6a0166c983ef04bc42f3c0fca..4e69f42dbf6effc557838d7be9b7114c3f86962d 100644 (file)
--- a/filamentspool.scad
+++ b/filamentspool.scad
@@ -8,9 +8,11 @@ bigslop=slop*2;
 function selsz(sm,lg) = fdia < 2 ? sm : lg;
 function usedove() = selsz(true,false);
 
+num_arms = selsz(3,4);
+
 exteffrad = 70;
-hubeffrad = selsz(30, 60);
-hubbigrad = selsz(20, 50);
+hubeffrad = selsz(30, 50);
+hubbigrad = selsz(20, 45);
 hublwidth = selsz(3, 5);
 hubstemwidth = 2;
 hublthick = 10;
@@ -80,6 +82,10 @@ 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;
+nondove_armhole_slop_x = 0.5;
 
 include <doveclip.scad>
 include <cliphook.scad>
@@ -165,11 +171,11 @@ module FilamentCup() { ////toplevel
 
   gapy = prongwidth;
   dy = cupwidth/2 + gapy + overclipcupgap;
+  baselen = dy+cupwidth/2;
 
   translate([0, dy, 0])
     FilamentCupCup();
-  translate([0, -1, 0]);
-  cube([prongwidth, dy+1+cupwidth/2, prongthick]);
+  cube([prongwidth, baselen+1, prongthick]);
 
   midrad = cupwidth/2 + prongwidth/2;
 
@@ -189,7 +195,7 @@ module FilamentCup() { ////toplevel
       FilamentTeeth(fdia=fdia, h=teethh);
   }
   for (x = [-0.3, -1.3]) {
-    translate([cupheight + overclipcupnextgap*x, dy+cupwidth/2 + prongthick, 0])
+    translate([cupheight + overclipcupnextgap*x, baselen + prongthick, 0])
       rotate([0,0, 12 + fdia])
       FilamentTeeth(fdia=fdia, h=teethh);
   }      
@@ -241,35 +247,59 @@ 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(){
-    cylinder($fn=60, h=hublthick, r=hubbigrad);
-    translate([0,0,-1])
-      cylinder($fn=30, h=hublthick+2, r=(hubbigrad-hublwidth));
-  }
-  difference(){
-    cylinder(h=hubaxlelen, r=axlerad+hublwidth);
-    translate([0,0,-1]) cylinder($fn=60, h=hubaxlelen+2, r=axlerad);
-  }
-  for (ang=[0,120,240])
-    rotate([0,0,ang]) {
-      difference() {
-       translate([hubeffrad,0,0])
-         DoveClipPairSane(h=doveclipheight,
-                          baseextend = (hubeffrad - DoveClip_depth()
-                                        - hubbigrad + hublwidth));
-       if (hole>hublwidth && holewidth > 2) {
-         translate([hubbigrad + hublwidth, -holewidth/2, -1])
-           cube([hole, holewidth, hublthick+2]);
-       }
+    union(){
+      difference(){
+       cylinder($fn=60, h=hublthick, r=hubbigrad);
+       translate([0,0,-1])
+         cylinder($fn=30, h=hublthick+2, r=(hubbigrad-hublwidth));
       }
+      cylinder(h=hubaxlelen, r=axlerad+hublwidth);
+      for (ang=[0 : 360/num_arms : 359])
+       rotate([0,0,ang]) {
+         difference() {
+           if (usedove()){
+             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]);
+             }
+           } 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_armhole_slop_x,
+                          -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, $fn=10);
+             }
+           }
+         }
+       }
+      for (ang = [0 : 180/num_arms : 359])
+       rotate([0,0,ang]) rotate([90,0,0]) {
+         translate([0,0,-hublwidth/2])
+           linear_extrude(height=hublwidth)
+           polygon([[xmin,0.05], [xmax,0.05],
+                    [xmax,hublthick-0.2], [xmin, hubaxlelen-0.2]]);
+       }
     }
-  for (ang = [0 : 60 : 359])
-    rotate([0,0,ang]) rotate([90,0,0]) {
-      translate([0,0,-hublwidth/2])
-       linear_extrude(height=hublwidth)
-       polygon([[xmin,0.05], [xmax,0.05],
-                [xmax,hublthick-0.2], [xmin, hubaxlelen-0.2]]);
-    }
+    translate([0,0,-1]) cylinder($fn=60, h=hubaxlelen+2, r=axlerad);
+  }
 }
 
 module ArmExtender(){ ////toplevel
@@ -389,10 +419,10 @@ module FilamentCupPair(){ ////toplevel
 }
 
 //ArmEnd();
-//FilamentCup();
+FilamentCup();
 //FilamentCupPair();
 //CupSecuringClip();
-Hub();
+//Hub();
 //ArmExtender();
 //Axle();
 //AxleWasher();