// properties of the knives
nknives = 3;
widths = [15.5, 15.8, 19.0];
-handlelenbase = 60;
-handlelendelta = [-10, 0, 0];
+handlelenbase = 75;
+handlelendelta = [-15, 0, 10];
locations = [-35, 0, 40];
bladew = 5; // 2.5
-maxhandledepth = 43.5;
+maxhandledepth = 45;
+
+templatescale = 27.2 / 19.6;
// other tuneables
-side = 5;
front = 5;
back = 5;
height = 50;
+minsidein = 4;
+minsideout = 4;
+
+frontbackslop = 0.25;
-frontbackslop = 0.5;
+screwbackdepth = 6.0 - 1.0;
+screwdia = 4.0 + 0.5;
+screwcsinkdia = 9.8 + 1.0;
-screwbackdepth = 16;
-screwdia = 3.6;
-screwcsinkdia = 8.7;
+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)
- import(file=fn, convexity=100);
+ scale(templatescale) import(file=fn, convexity=100);
}
module Knife(k){
}
module DoKnives(){
- for (yshift=[-1,1]) {
- translate([0, yshift * frontbackslop, 0])
- for (k=[0:nknives-1]) {
- DoKnife(k);
- }
- }
+ for (k=[0:nknives-1])
+ DoKnife(k);
}
-module Block(){
- minkx = locations[0] - widths[0] /2;
- maxkx = locations[nknives-1] + widths[nknives-1]/2;
+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);
+}
- minx = minkx - side;
- maxx = maxkx + side;
+module Block(){
+ sidemidx = minsideout + screwcsinkdia/2;
difference(){
- translate([minx, -front, 0])
- mirror([0,0,1])
- cube([maxx-minx, totaldepth, height]);
- #DoKnives();
+ 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();
}
}
-Block();
+module BlockPrint(){ ////toplevel
+ rotate([0,0,90])
+ Block();
+}
+
+module Demo(){ ////toplevel
+ Block();
+ %DoKnives();
+}
+
+Demo();