knifeblock: move PegTemplate and AtSides up (nfc)

[reprap-play.git] / knifeblock.scad

diff --git a/knifeblock.scad b/knifeblock.scad
index 3c67fc1d8234ac7d3580b2db21feb1d1d256a89b..e708c647e95372e3bafa67aa3fb2542e6192005c 100644 (file)
--- a/knifeblock.scad
+++ b/knifeblock.scad
@@ -102,6 +102,22 @@ module ScrewHole(){
     cylinder(r=screwcsinkdia/2 / (sqrt(3)/2), h=100, $fn=6);
 }
 
+module PegTemplate(){
+  for (mx=[0,1]) for (my=[0,1]) {
+      mirror([mx,0,0]) mirror([0,my,0])
+       polygon([[-0.1,      -0.1],
+                [pegstem/2, -0.1],
+                [pegstem/2, pegstemheight/2],
+                [peghead/2, pegheight    /2],
+                [-0.1,      pegheight    /2]]);
+    }
+}
+
+module AtSides(){
+  translate([minx,0,0])                 child(0);
+  translate([maxx,0,0]) mirror([1,0,0]) child(1);
+}
+
 module Block(){
   sidemidx = minsideout + screwcsinkdia/2;
 
@@ -137,8 +153,8 @@ module CoverTemplate(){
             [minx, covershortlen]]);
 }
 
-module CoverSide(xpos, len){
-  translate([xpos, 0 ,0]) {
+module CoverSide(len){
+  translate([0, 0 ,0]) {
     rotate([90,0,90])
       linear_extrude(height=coverside)
       polygon([[0,                      0],
@@ -153,17 +169,6 @@ module CoverSide(xpos, len){
   }
 }
 
-module PegTemplate(){
-  for (mx=[0,1]) for (my=[0,1]) {
-      mirror([mx,0,0]) mirror([0,my,0])
-       polygon([[-0.1,      -0.1],
-                [pegstem/2, -0.1],
-                [pegstem/2, pegstemheight/2],
-                [peghead/2, pegheight    /2],
-                [-0.1,      pegheight    /2]]);
-    }
-}
-
 module Peg(){
   echo("peg angle slope (must be <1)",
        (peghead-pegstem)/(pegheight-pegstemheight));
@@ -181,10 +186,22 @@ module Peg(){
   }
 }
 
+module CoverPegSlot(coverlen){
+  translate([recessblockwidth/2, 0, -1]){
+    linear_extrude(height= 1 + pegrecess + 0.5*peglen){
+      PegTemplate();
+    }
+  }
+}
+
 module Cover(){
-  CoverTemplate();
-  CoverSide(minx,           covershortlen);
-  mirror([1,0,0]) CoverSide(-maxx, coverlonglen);
+  difference(){
+    union(){
+      CoverTemplate();
+      AtSides() { CoverSide(covershortlen); CoverSide(coverlonglen); }
+    }
+    AtSides() { CoverPegSlot(); CoverPegSlot(); }
+  }
 }
 
 module CoverAligned(){
@@ -201,3 +218,4 @@ module Demo(){ ////toplevel
 
 Demo();
 //Cover();
+//Peg();