// -*- C -*-
-//import(file="t.dxf");
-module ImportTemplate(k,t) {
- import(file=str("knifeblock-knives-t",k,t,".dxf"), convexity=3);
+// properties of the knives
+nknives = 3;
+widths = [15.5, 15.8, 19.0];
+handlelenbase = 75;
+handlelendelta = [-15, 0, 10];
+locations = [-35, 0, 40];
+bladew = 5; // 2.5
+maxhandledepth = 45;
+
+templatescale = 27.2 / 19.6;
+
+// other tuneables
+front = 5;
+back = 5;
+height = 50;
+minsidein = 4;
+minsideout = 4;
+
+frontbackslop = 0.25;
+
+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;
+
+minkx = locations[0] - widths[0] /2;
+maxkx = locations[nknives-1] + widths[nknives-1]/2;
+
+minx = minkx - side;
+maxx = maxkx + side;
+
+module ImportTemplate(w,k,t) {
+ fn = str("knifeblock-knives-t",k,t,".dxf");
+ echo(fn);
+ translate([0,0, -w/2])
+ linear_extrude(height=w)
+ scale(templatescale) import(file=fn, convexity=100);
}
module Knife(k){
- translate([0,50*k,0]){
- ImportTemplate(k,"b");
- translate([0,0,10])
- ImportTemplate(k,"h");
+ ImportTemplate(bladew, k,"bl");
+ hull(){
+ ImportTemplate(widths[k], k,"hl");
+ translate([-100,0,0])
+ ImportTemplate(widths[k], k,"hl");
+ }
+}
+
+module DoKnife(k){
+ translate([locations[k],0,0]){
+ rotate([0,90,0])
+ translate([-(handlelenbase + handlelendelta[k]),0,0])
+ Knife(k);
}
}
-Knife(0);
-Knife(1);
-Knife(2);
-//import(file="t.dxf",convexity=4);
+module DoKnives(){
+ 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 / (sqrt(3)/2), h=100, $fn=6);
+}
+
+module Block(){
+ 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();
+ }
+ for (yshift=[-1,1])
+ translate([0, yshift * frontbackslop, 0])
+ DoKnives();
+ }
+}
+
+module BlockPrint(){ ////toplevel
+ rotate([0,0,90])
+ Block();
+}
+
+module Demo(){ ////toplevel
+ Block();
+ %DoKnives();
+}
+
+Demo();