knifeblock: work

[reprap-play.git] / knifeblock.scad

diff --git a/knifeblock.scad b/knifeblock.scad
index 7747518ad379d1e20bb0e832109e007dd7bb7962..8f71dd74b8ada7040f4fc365fa4f6eb8d813e424 100644 (file)
--- a/knifeblock.scad
+++ b/knifeblock.scad
@@ -1,16 +1,32 @@
 // -*- C -*-
 
+// properties of the knives
 nknives = 3;
-
 widths = [15.5, 15.8, 19.0];
-
 handlelenbase = 60;
 handlelendelta = [-10, 0, 0];
-
 locations = [-35, 0, 40];
-
 bladew = 5; // 2.5
+maxhandledepth = 43.5 - 5;
+
+// other tuneables
+front = 5;
+back = 8;
+height = 50;
+minsidein = 3;
+minsideout = 3;
 
+frontbackslop = 0.5;
+
+screwbackdepth = 6.0 - 1.0;
+screwdia =       4.0 + 0.5;
+screwcsinkdia =  9.8 + 1.0;
+
+screwabove = 15;
+
+// computed
+side = minsidein + screwcsinkdia + minsideout;
+totaldepth = front + maxhandledepth + back;
 
 module ImportTemplate(w,k,t) {
   fn = str("knifeblock-knives-t",k,t,".dxf");
@@ -38,8 +54,46 @@ module DoKnife(k){
 }
 
 module DoKnives(){
-  for (k=[0:nknives-1])
-    DoKnife(k);
+  for (yshift=[-1,1]) {
+    translate([0, yshift * frontbackslop, 0])
+      for (k=[0:nknives-1]) {
+       DoKnife(k);
+      }
+  }
+}
+
+module ScrewHole(){
+  translate([0,-50,0])
+    rotate([-90,0,0])
+    cylinder(r=screwdia/2, h=150, $fn=40);
+  translate([0, totaldepth-front - screwbackdepth, 0])
+    rotate([90,0,0])
+    cylinder(r=screwcsinkdia/2, h=100, $fn=40);
+}
+
+module Block(){
+  minkx = locations[0] -         widths[0]        /2;
+  maxkx = locations[nknives-1] + widths[nknives-1]/2;
+
+  minx = minkx - side;
+  maxx = maxkx + side;
+
+  sidemidx = minsideout + screwcsinkdia/2;
+
+  difference(){
+    hull() mirror([0,0,1]) {
+      translate([minx, 0, 0])
+       cube([maxx-minx, totaldepth-front, height]);
+      for (x=[minx + front/2, maxx - front/2])
+       translate([x, -front/2, 0])
+       cylinder(r=front/2, h=height, $fn=30);
+    }
+    for (x=[minx + sidemidx, maxx - sidemidx]) {
+      translate([x, 0, -screwabove])
+       ScrewHole();
+    }
+    DoKnives();
+  }
 }
 
-DoKnives();
+Block();