X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=filamentspool.scad;h=98819b24cb0ef3d4647ac16bc77282dfbe37a53a;hb=59c46629d0aab88ec2703ff484c01db1718472c7;hp=c32061ec2bcd4f5870ef71df3d35820d499beee5;hpb=d7dd17a652d2f3dfcb2269ec95af9910fcc10601;p=reprap-play.git

diff --git a/filamentspool.scad b/filamentspool.scad
index c32061e..98819b2 100644
--- a/filamentspool.scad
+++ b/filamentspool.scad
@@ -676,37 +676,64 @@ module StorArmHoleTest(){ ////toplevel
 }
 
 
-//----- filament guide clip spacer clip -----
+//----- filament guide spacer -----
 
-guideclip_armdia = 15.0 + 0.5;
-guideclip_armwidth = 10.2 + 0.5;
+guide_armdia = 15.0 + 0.75;
+guide_armwidth = 10.2 + 0.75;
 
-guideclip_prongprotrude = 4;
-guideclip_thick = 1.6;
+guidefilclip_outerdia = 22.8;
 
-module FilamentGuideClipArmTemplate(extra=0){
+guidespacer_prongprotrude = 4;
+guidespacer_thick = 1.6;
+guidespacer_len = 15.3 + 0.75;
+
+// calculated
+
+guidespacer_wingheight = (guidefilclip_outerdia - guide_armdia)/2;
+
+module FilamentGuideArmTemplate(extra=0){
   intersection(){
-    circle(r= (guideclip_armdia/2) + extra);
-    square(center=true, [guideclip_armwidth+extra*2,
-			 guideclip_armdia + extra*2 + 10]);
+    circle(r= (guide_armdia/2) + extra);
+    square(center=true, [guide_armwidth+extra*2,
+			 guide_armdia + extra*2 + 10]);
   }
 }
 
-module FilamentGuideClipSpacerClipTemplate(){
+module FilamentGuideSpacerInnerTemplate(){
+  FilamentGuideArmTemplate();
+  translate([0, -guide_armdia/2])
+    square(center=true, [guide_armwidth - guidespacer_prongprotrude,
+			 guide_armdia]);
+}
+
+module FilamentGuideSpacer(){ ////toplevel
   difference(){
     union(){
-      FilamentGuideClipArmTemplate(extra= guideclip_thick);
+      linear_extrude(height= guidespacer_len)
+	FilamentGuideArmTemplate(extra= guidespacer_thick);
+      for (angle=[26, 60]) {
+	for (m=[0,1]) {
+	  mirror([m,0,0]) {
+	    rotate([0,0,angle]) {
+	      hull(){
+		for (t=[[0, guidespacer_wingheight],
+			[guidespacer_len-1, -guidespacer_wingheight]])
+		  translate([0,0, t[0] + 0.5])
+		    cube([guidespacer_thick, guide_armdia + t[1]*2,
+		      1],
+			 center=true);
+	      }
+	    }
+	  }
+	}
+      }
     }
-    FilamentGuideClipArmTemplate();
-    translate([0, -guideclip_armdia/2])
-      square(center=true, [guideclip_armwidth - guideclip_prongprotrude,
-			   guideclip_armdia]);
+    translate([0,0,-1])
+      linear_extrude(height= guidespacer_len+5)
+      FilamentGuideSpacerInnerTemplate();
   }
 }
 
-module FilamentGuideClipSpacerClip(){ ////toplevel
-}
-
 
 module Demo(){
   translate([-hubeffrad-30,50,0]) Hub();