// -*- C -*-
-cubez = 12;
-
-shaftz = cubez;
-
-tests = [[4 + 0.5, 10 + 1.0]];
-
-cubexy = 20;
-
module RecessScrewCutout_RecessCylinder(recessdia,zbelow, h){
translate([0,0,-zbelow]) cylinder(r=recessdia/2, h=h+1, $fn=40);
}
-RecessedScrewCutout_defaultrecessdepth_flat = -0.35;
-RecessedScrewCutout_defaultrecessdepth_hex = -0.70;
+RecessedScrewCutout_defaultrecessdepth_flat = -0.30;
+RecessedScrewCutout_defaultrecessdepth_hex = -0.60;
+
+function RecessedScrewCutout_recessdepth(recessdia,
+ recessdepth_arg=RecessedScrewCutout_defaultrecessdepth_flat) =
+ recessdepth_arg >= 0 ? recessdepth_arg : -recessdepth_arg * recessdia;
+
+function RecessedScrewCutout_totaldepth(recessdia,
+ recessdepth_arg=RecessedScrewCutout_defaultrecessdepth_flat) =
+ RecessedScrewCutout_recessdepth(recessdia, recessdepth_arg) +
+ + 0.5*recessdia + 0.1;
module RecessedScrewCutout(shaftdia, recessdia, shaftlen,
zbelow=1,
recessdepth_arg=RecessedScrewCutout_defaultrecessdepth_flat) {
// pass recessdepth_arg=-1 for the default for flat heads
// pass recessdepth_arg=-1 for the default for flat heads
- recessdepth = recessdepth_arg >= 0 ? recessdepth_arg
- : -recessdepth_arg * recessdia;
- recesstopz = recessdepth + 0.5*recessdia + 0.1;
- xblocky = shaftdia + 0.1;
+ recessdepth = RecessedScrewCutout_recessdepth(recessdia, recessdepth_arg);
+ recesstopz = RecessedScrewCutout_totaldepth(recessdia, recessdepth_arg);
translate([0,0,-zbelow]) cylinder(r=shaftdia/2, h=shaftlen+zbelow, $fn=20);
RecessScrewCutout_RecessCylinder(recessdia,zbelow, recessdepth);
intersection(){
- translate([-recessdia*1.5, -xblocky/2, -zbelow])
- cube([recessdia*3, xblocky, recesstopz+2+zbelow]);
+ cube([recessdia + 1, shaftdia + 0.1, recesstopz*2 + 1], center=true);
translate([0, -recessdia, recesstopz])
rotate([0,135,0]) cube([recessdia, recessdia*2, 10]);
RecessScrewCutout_RecessCylinder(recessdia,zbelow, recesstopz+1);
}
}
-module Test(){
+// shaftdia recessdia
+tests = [[2 + 0.5, 4 + 1.0, 0 ],
+ [3 + 0.5, 6 + 1.0, 12 ],
+ [4 + 0.5, 8 + 1.0, 28 ],
+ [5 + 0.5, 10 + 1.0, 38 ],
+ [6 + 0.5, 12 + 1.0, 48 ]];
+
+module OneTest(t){
+ blocksz = t[1] + 7;
+ h = RecessedScrewCutout_totaldepth(t[1]) + 3;
difference(){
- translate([-cubexy/2, -cubexy/2, 0])
- cube([cubexy,cubexy,cubez]);
+ translate([-blocksz/2, -blocksz/2, 0])
+ cube([blocksz, blocksz, h]);
+ RecessedScrewCutout(t[0],t[1], h+1);
}
}
-module Hole(){
- RecessedScrewCutout(tests[0][0],
- tests[0][1],
- shaftz+1);
+function Test_x(i) = i<=0 ? 0 :
+ Test_x(i-1) + tests[i-1][1]*0.5 + tests[i][1]*0.5 + 4.5;
+
+module Tests(){
+ for (i = [0:len(tests)-1]) {
+ echo(i, Test_x(i));
+ translate([Test_x(i), 0, 0])
+ OneTest(tests[i]);
+ }
}
-//Test();
-Hole();
+//OneTest(tests[1]);
+Tests();
+//Hole();
+//Holes();