From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Wed, 31 Dec 2014 17:47:29 +0000 (+0000)
Subject: knifeblock: wip peg recess
X-Git-Tag: filamentspool-v2-release~261
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=commitdiff_plain;h=160e4012f4db473ec6fb486b38dd071021c7f2cc

knifeblock: wip peg recess
---

diff --git a/knifeblock.scad b/knifeblock.scad
index 6d7e96a..3c67fc1 100644
--- a/knifeblock.scad
+++ b/knifeblock.scad
@@ -42,7 +42,14 @@ pegstemheight = 2;
 pegheight = 9;
 peglen = 12;
 
-pegslop = 0.5;
+recessblockwidth = peghead + pegstem*3;
+recessblockheight = peglen + pegstem*1.5;
+
+pegsloph = 0.5;
+pegslopv = 0.5;
+pegslopl = 0.5;
+
+pegdepthproportion = 0.67;
 
 // computed
 side = minsidein + screwcsinkdia + minsideout;
@@ -54,6 +61,8 @@ maxkx = locations[nknives-1] + widths[nknives-1]/2;
 minx = minkx - side;
 maxx = maxkx + side;
 
+pegrecess = pegdepthproportion*totaldepth - 0.5*peglen;
+
 module ImportTemplate(w,k,t) {
   fn = str("knifeblock-knives-t",k,t,".dxf");
   echo(fn);
@@ -140,6 +149,7 @@ module CoverSide(xpos, len){
 	       [len - covertopwing,     totaldepth],
 	       [len,                    totaldepth],
 	       [len,                    0]]);
+    cube([recessblockwidth, recessblockheight, totaldepth]);
   }
 }
 
@@ -157,14 +167,15 @@ module PegTemplate(){
 module Peg(){
   echo("peg angle slope (must be <1)",
        (peghead-pegstem)/(pegheight-pegstemheight));
-  d = pegslop;
+  dx = pegsloph;
+  dy = pegslopv;
   rotate([90,0,0]) {
-    linear_extrude(height=peglen) {
+    linear_extrude(height=peglen-pegslopl) {
       intersection(){
-	translate([-d,-d,0]) PegTemplate();
-	translate([-d,+d,0]) PegTemplate();
-	translate([+d,+d,0]) PegTemplate();
-	translate([+d,-d,0]) PegTemplate();
+	translate([-dx,-dy,0]) PegTemplate();
+	translate([-dx,+dy,0]) PegTemplate();
+	translate([+dx,+dy,0]) PegTemplate();
+	translate([+dx,-dy,0]) PegTemplate();
       }
     }
   }