X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=knifeblock.scad;h=603336a9ff432d196aca79156c14a7286bc43713;hb=ce58de89f72cb0668884f75bfd6718e2a093df60;hp=998fae7a4d7a4283fa400849b23f7b818d569ddb;hpb=c3f44ad4b008fbf12a7385f402670f548aa763b7;p=reprap-play.git

diff --git a/knifeblock.scad b/knifeblock.scad
index 998fae7..603336a 100644
--- a/knifeblock.scad
+++ b/knifeblock.scad
@@ -5,7 +5,7 @@ nknives = 3;
 widths = [15.5, 15.8, 19.0];
 handlelenbase = 75;
 handlelendelta = [-15, 0, 10];
-locations = [-35, 0, 40];
+locations = [-35, 0, 37];
 bladew = 5; // 2.5
 maxhandledepth = 45;
 
@@ -42,8 +42,8 @@ holesize = 12.5;
 holestrut = 7;
 holeedge = 4;
 
-holeoffx = 0.45;
-holeoffy = 0.25;
+holeoffx = 0.33;
+holeoffy = 0.23;
 
 pegstem = 3.5;
 peghead = 10;
@@ -133,7 +133,7 @@ module AtSides(){
 }
 
 module BlockPegSlot(){
-  translate([recessblockwidth/2, pegrecess - 0.5*peglen, -height]){
+  translate([recessblockwidth/2, pegrecess - peglen, -height]){
     rotate([-90,0,0]) linear_extrude(height=totaldepth){
       PegTemplate(peghead/2 * 1.2);
     }
@@ -168,9 +168,9 @@ module CoverTemplate(){
   linear_extrude(height=coverthick)
     polygon([[minx, 0],
 	     [maxx, 0],
-	     [maxx, coverlonglen],
-	     [maxx - coverside, coverlonglen],
-	     [minx, covershortlen]]);
+	     [maxx, coverlonglen+0.1],
+	     [maxx - coverside, coverlonglen+0.1],
+	     [minx, covershortlen+0.1]]);
 }
 
 module CoverSide(len){
@@ -214,34 +214,43 @@ module CoverPegSlot(coverlen){
   }
 }
 
-module HoleRow(){
-  for (i=[0:10]) {
-    translate([0, (i+0.5)*holepitch, -1])
-      cylinder(r=holesize/2, h=coverthick+2, $fn=20);
-  }
-}
-
 module HolesScope(){
   intersection_for (dx=[-1,+1]) {
     intersection_for (dy=[-1,+1]) {
-      translate([dx * holeedge, dy * holeedge, -1])
-	scale([1,1,2])
+      translate([dx * holeedge, dy * holeedge, -5])
+	scale([1,1,10])
 	CoverTemplate();
     }
   }
 }
 
-module Holes(){
-  intersection(){
-    translate([holeoffx * holepitch, holeoffy * holepitch, 0]) {
-      for (i=[-10:10]) {
-	translate([i * sqrt(3) * holepitch, 0, 0]) {
-	  HoleRow();
-	  translate([sqrt(3)/2 * holepitch, -0.5 * holepitch, 0])
-	    HoleRow();
-	}
+module HexGrid(imin,imax,jmin,jmax) {
+  for (i=[imin:imax]) {
+    for (j=[jmin:jmax]) {
+      translate([(j * sqrt(3) + holeoffx) * holepitch,
+		 (i +     0.5 + holeoffy) * holepitch,
+		 0]) {
+	child();
+	translate([sqrt(3)/2 * holepitch, -0.5 * holepitch, 0])
+	  child();
       }
     }
+  }
+}
+
+module Hole(){
+  cylinder(r=holesize/2, h=40, $fn=40);
+}
+
+module Holes(){
+  imax = ceil(coverlonglen / holepitch);
+  echo("Holes Y count ", imax);
+  jmin = ceil((maxx-minx)/(sqrt(3)*holepitch));
+  echo("Holes X count 2 x", jmin);
+  intersection(){
+    translate([0, 0, -20])
+      HexGrid(0,imax,-jmin,2)
+      Hole();
     HolesScope();
   }
 }
@@ -281,12 +290,15 @@ module Demo(){ ////toplevel
   color([1,0,0]) AtSides() { DemoPeg(); DemoPeg(); }
 }
 
+module Pegs(){ ////toplevel
+  Peg();
+  translate([-peghead-3, 0,0]) Peg();
+}
+
 module CoverParts(){ ////toplevel
   Cover();
-  translate([0, coverlonglen, pegheight/2]) {
-    Peg();
-    translate([-peghead-3, 0,0]) Peg();
-  }
+  translate([0, coverlonglen, pegheight/2-pegslopv])
+    Pegs();
 }
 
 //Block();
@@ -295,3 +307,6 @@ module CoverParts(){ ////toplevel
 //CoverParts();
 //Peg();
 //Cover();
+//Holes();
+//%CoverTemplate();
+//Pegs();