X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=knifeblock.scad;h=c1f1869f4b1a07e9a777f9077b0274ccc7478a63;hp=9a7303a41b0a72503bb02c4e5f88d3c333f8aba7;hb=3db5630259f06c51cf1548dfab2f5154bf555ab3;hpb=1e698dada535d4b8f32867f8cd017a91a79edcf4

diff --git a/knifeblock.scad b/knifeblock.scad
index 9a7303a..c1f1869 100644
--- a/knifeblock.scad
+++ b/knifeblock.scad
@@ -45,6 +45,10 @@ holeedge = 4;
 holeoffx = 0.33;
 holeoffy = 0.23;
 
+indentdepth = 1;
+indentoutersize = holesize + 2.15;
+indentinnersize = indentoutersize - indentdepth * 3.0;
+
 pegstem = 3.5;
 peghead = 10;
 pegstemheight = 2;
@@ -140,6 +144,18 @@ module BlockPegSlot(){
   }
 }
 
+module DecorativeIndents(){
+  translate([0, -front, 0])
+  rotate([90,0,0])
+  HexGrid(-height, 0, minx,maxx) {
+    hull(){
+      translate([0, 0, -indentdepth])
+	cylinder(r=indentinnersize/2, h=indentdepth, $fn=40);
+      cylinder(r=indentoutersize/2, h=indentdepth, $fn=40);
+    }
+  }
+}
+
 module Block(){
   sidemidx = minsideout + screwcsinkdia/2;
 
@@ -156,6 +172,7 @@ module Block(){
       translate([0, yshift * frontbackslop, 0])
 	DoKnives();
     AtSides() { BlockPegSlot(); BlockPegSlot(); }
+    DecorativeIndents();
   }
 }
 
@@ -214,15 +231,6 @@ module CoverPegSlot(coverlen){
   }
 }
 
-module HoleRow(){
-  imax = ceil(coverlonglen / holepitch);
-  echo("Holes Y count ", imax);
-  for (i=[0:imax]) {
-    translate([0, (i+0.5)*holepitch, -20])
-      cylinder(r=holesize/2, h=40, $fn=40);
-  }
-}
-
 module HolesScope(){
   intersection_for (dx=[-1,+1]) {
     intersection_for (dy=[-1,+1]) {
@@ -233,19 +241,34 @@ module HolesScope(){
   }
 }
 
-module Holes(){
-  jmin = ceil((maxx-minx)/(sqrt(3)*holepitch));
-  echo("Holes X count 2 x", jmin);
-  intersection(){
-    translate([holeoffx * holepitch, holeoffy * holepitch, 0]) {
-      for (j=[-jmin:2]) {
-	translate([j * sqrt(3) * holepitch, 0, 0]) {
-	  HoleRow();
-	  translate([sqrt(3)/2 * holepitch, -0.5 * holepitch, 0])
-	    HoleRow();
-	}
+module HexGrid(xa,xb,ya,yb) {
+  imin = floor(xa / holepitch);
+  imax =  ceil(xb / holepitch);
+  jmin = floor(ya / (sqrt(3)*holepitch));
+  jmax =  ceil(yb / (sqrt(3)*holepitch));
+  echo("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(){
+  intersection(){
+    translate([0, 0, -20])
+      HexGrid(0, coverlonglen, minx, maxx)
+      Hole();
     HolesScope();
   }
 }
@@ -296,6 +319,22 @@ module CoverParts(){ ////toplevel
     Pegs();
 }
 
+module FrontDemo(){ ////toplevel
+  color([1,0,1]) Block();
+  color([1,0,1]) CoverAligned();
+  color([0,0,0]) DoKnives();
+}
+
+module BlockFrontTest(){ ////toplevel
+  intersection(){
+    Block();
+    translate([minx-10, -front-10, -height-10]) {
+      cube([75,14,35]);
+      cube([75,25,13]);
+    }
+  }
+}
+
 //Block();
 //Demo();
 //Cover();