X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=nook-case.scad;h=62f954c555898a58f7b29f2c74d3215c605f787c;hb=e39d790116ffb7a984c219927cf33c7258d98627;hp=fc968aac33b33efc47860ed0653402ec77bd68dd;hpb=44e94e833bf1342ea3425ed7fa0d5638246f40a6;p=reprap-play.git

diff --git a/nook-case.scad b/nook-case.scad
index fc968aa..62f954c 100644
--- a/nook-case.scad
+++ b/nook-case.scad
@@ -2,9 +2,19 @@
 
 include <utils.scad>
 
-nook_th = 12.41 + 0.50;
-nook_w = 127.12 + 0.75;
-nook_h = 123.44 + 21.88 + 21.05 + 0.75;
+nook_th = 12.41 + 0.50 - 1.50;
+nook_w = 127.12 + 0.75 - .95;
+nook_h = 123.44 + 21.88 + 21.05 + 0.75 - 1.90;
+
+edge_ledge_w = 9.60;
+edge_ledge_h = 2.44;
+edge_ledge_inc_ang = 10; // degrees
+
+usb_w = 14.5;
+usb_below = 1.5;
+
+open_recess_w = 12.5;
+open_recess_h = 2.5;
 
 nook_cnr_rad = 10;
 
@@ -29,6 +39,9 @@ tooth_w = 15;
 
 $test = false;
 
+$fa = $test ? 10 : 3;
+$fs = $test ? 0.1 : 1;
+
 // calculated
 
 tooth_height = nook_th;
@@ -71,19 +84,47 @@ etxa = nom_cnr[0] - engage_l2;
 etxb = etxa - engage_l1;
 etxc = -(nom_cnr[0] - engage_l2);
 
+tapa = nom_cnr[1] - engage_l2;
+tapb = tapa - tape_w;
+
+opra = nom_cnr[1] - engage_l2;
+oprb = opra - open_recess_w;
+
 tppS = tppB + [-gap[0], 0];
 tppP = [ tppS[0] - tooth_th, tppC[1] ];
 tppQ = tppP + tooth_height * [0,-1] + tooth_inward * [1,0];
 tppR = [ tppS[0] + tooth_inward, tppQ[1] ];
+tppM = (tppQ + tppR) * 0.5 + tooth_th * 0.5 * [0,1];
+
+edge_ledge_rad = edge_ledge_h;
 
 module RightSideMainProfile() {
   rectfromto(spp7, spp0);
   rectfromto(spp7, spp20);
+  EdgeLedgeProfile();
 }
 
 module LeftSideMainProfile() {
   rectfromto(spp7, spp30);
   rectfromto(spp7, spp20);
+  EdgeLedgeProfile();
+}
+
+module EdgeLedgeProfile() {
+  intersection(){
+    hull(){
+      for (t=[[0,0], [-20,0], [0,-10]]) {
+	translate(spp8
+		  + [edge_ledge_w, edge_ledge_h]
+		  + edge_ledge_rad * [ -sin(edge_ledge_inc_ang),
+				       -cos(edge_ledge_inc_ang) ]
+		  + t)
+	  circle(edge_ledge_rad);
+      }
+    }
+    translate(spp7)
+      square(30);
+  }
 }
 
 module TopTapeCutout() {
@@ -114,20 +155,38 @@ module SideTapeCutout() {
   SideTapeCutout1(spp6y, spp5y);
   SideTapeCutout1(spp3y, spp2y);
   SideTapeCutout1(spp3y, spp2y);
-  SideTapeCutout1(spp11y, spp1[1] + 1);
+  SideTapeCutout1(spp11y, spp1[1] + 1); // obsolete I think
 }
 
 module ToothProfile(){
-  l = [ tppA, tppB, tppS, tppR, tppQ, tppP, tppC ];
-  polygon(l);
+  polygon([tppA,
+	   tppB,
+	   tppS + [-0.1,0],
+	   tppP,
+	   tppC]);
+  hull(){
+    polygon([tppP,
+	     tppM,
+	     tppS]);
+    translate(tppM)
+      circle(r= tooth_th/2);
+  }
 }
 
 module Demo(){ ////toplevel
-  translate([0,0,-2]) LeftSideMainProfile(); 
-  translate([0,0,-2]) color("yellow") LeftTopMainProfile();
-  color("red") difference(){
-    LeftSideMainProfile();
-    SideTapeCutout();
+  translate([-1,0,0]) {
+    translate([0,0,-2]) LeftSideMainProfile(); 
+    translate([0,0,-2]) color("yellow") LeftTopMainProfile();
+    color("red") difference(){
+      LeftSideMainProfile();
+      SideTapeCutout();
+    }
+    translate([0,0,-4]) color("brown") EdgeLedgeProfile();
+    translate(concat(spp8 + [edge_ledge_w, edge_ledge_h], [2]))
+      rotate(-edge_ledge_inc_ang) {
+      color("blue") square(3);
+      color("lightblue") mirror([1,0]) square(3);
+    }
   }
   translate([0,0,0]) color("purple") difference(){
     LeftTopMainProfile();
@@ -142,18 +201,30 @@ module Demo(){ ////toplevel
 }
 
 module FaceCore(z0,z1, extra_left, extra_right){
-  for (mx=[0,1]) mirror([mx,0,0]) {
-      for (my=[0,1]) mirror([0,my,0]) {
-	  translate(-nom_cnr) {
-	    rotate_extrude(angle=90, convexity=10)
-	      translate(-[1,0,0] * nook_cnr_rad)
-	      children(mx);
+  difference(){
+    for (mx=[0,1]) mirror([mx,0,0]) {
+	for (my=[0,1]) mirror([0,my,0]) {
+	    translate(-nom_cnr) {
+	      rotate_extrude(angle=90, convexity=10) {
+		intersection(){
+		  translate(-[1,0,0] * nook_cnr_rad)
+		    children(mx);
+		  rectfromto([-100,-100], [0,100]);
+		}
+	      }
+	    }
 	  }
-	}
-      translate([nook_w/2, 0,0])
-	linextr_y_xz(-nom_cnr[1]-0.1, nom_cnr[1]+0.1)
-	children(1-mx);
-    }
+	translate([nook_w/2, 0,0])
+	  linextr_y_xz(-nom_cnr[1]-0.1, nom_cnr[1]+0.1)
+	  children(1-mx);
+      }
+    for (my=[0,1]) mirror([0,my,0]) {
+	translate([-nook_w/2, 0,0])
+	  mirror([1,0,0])
+	  linextr_y_xz(tapb, tapa)
+	  children(2);
+      }
+  }
   for (my=[0,1]) mirror([0,my,0]) {
       translate([0, -nook_h/2, 0]) {
 	linextr_x_yz(-nom_cnr[0]-0.1,    etxc + extra_left)  children(0);
@@ -169,9 +240,22 @@ module FaceCore(z0,z1, extra_left, extra_right){
 }
 
 module Base(){ ////toplevel
-  FaceCore(spp7[1],spp8[1], 0.3, 0) {
-    LeftSideMainProfile();
-    RightSideMainProfile();
+  difference(){
+    FaceCore(spp7[1],spp8[1], 0.3, 0) {
+      LeftSideMainProfile();
+      RightSideMainProfile();
+      SideTapeCutout();
+    }
+    translate([0, -nook_h/2, 0])
+      mirror([0,1,0])
+      linextr_x_yz(-usb_w/2, usb_w/2)
+      rectfromto(spp8 + [-40, usb_below], [40, 40]);
+/*
+    translate([nook_w/2, 0, 0])
+      linextr_y_xz(oprb, opra)
+      translate(spp0)
+      rectfromto([-40, -open_recess_h], [40, 1]);
+*/
   }
 }
 
@@ -179,12 +263,19 @@ module Top(){ ////toplevel
   FaceCore(tppE[1],tppD[1], -gap[0], gap[0] + 0.3) {
     LeftTopMainProfile();
     RightTopMainProfile();
+    TopTapeCutout();
   }
   translate([tooth_x, nook_h/2, 0])
     linextr_x_yz(-tooth_w/2, +tooth_w/2)
     mirror([1,0])
     ToothProfile();
 }
+module TopPrint(){ ////toplevel
+  rotate([0,0,90]) rotate([180,0,0]) Top();
+}
+module BasePrint(){ ////toplevel
+  rotate([0,0,90]) Base();
+}
 
 module TestExtrude(){
   difference(){
@@ -193,6 +284,15 @@ module TestExtrude(){
   }
 }
 
+module BaseTestRest(){ ////toplevel
+  cube([30,15, spp8[1]-spp7[1]]);
+}
+
+module Demo3(){ ////toplevel
+  color("purple") Top();
+  color("red") Base();
+}
+
 module TestSide(){ ////toplevel
   TestExtrude() { LeftSideMainProfile(); SideTapeCutout(); }
 }