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Added functions for generating twisted cable paths and calculating its radius.

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Top row of cable bundles reversed to match a twisted cable.
This commit is contained in:
Chris Palmer
2022-03-17 21:24:54 +00:00
parent 99a5570e24
commit 744ebc2935
5 changed files with 83 additions and 28 deletions
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44
tests/wire.scad
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@@ -17,18 +17,25 @@
// If not, see <https://www.gnu.org/licenses/>.
//
include <../utils/core/core.scad>
use <../utils/sweep.scad>
use <../utils/bezier.scad>
use <../vitamins/wire.scad>
bundle = [7, 1.4];
twist_len = 25; // [5 : 50]
wires = 7; // [1 : 7]
irot = -60; // [-90 : 0]
/* [Hidden] */
wire_d = 1.4;
bundle = cable(wires, wire_d);
bundle_r = cable_radius(bundle);
thickness = 2;
w = 60;
d = 20;
h = 40;
wire_l = 90;
h = 10;
wire_l = 60;
mouse_y = 10;
cable_pitch = 7;
@@ -49,6 +56,7 @@ module wires() {
translate([bundle_r - d / 2, 0]) {
colour = ["black", "brown", "red", "orange", "yellow", "blue", "purple"][i];
wire(colour, 7, wire_l);
color(colour)
cylinder(d = d, h = wire_l, center = true);
}
@@ -66,7 +74,7 @@ module wires() {
mouse_hole(bundle, 0, true);
for(i = [1 : 6])
let(cable = [i, 1.4], bundle = cable_bundle(cable))
let(cable = cable(i, wire_d), bundle = cable_bundle(cable))
translate([mouse_y + cable_pitch * i - bundle.x / 2, -eps])
square([bundle.x, bundle.y]);
}
@@ -81,18 +89,28 @@ module wires() {
cable_tie_holes(bundle_r, 0);
}
}
translate([-15, mouse_y])
cable_tie(bundle_r, thickness);
for(i = [1 : 6]) let(cable = [i, 1.4])
translate([0, mouse_y + cable_pitch * i])
let(positions = cable_bundle_positions(cable))
for(i = [0 : len(positions) - 1])
let(p = positions[i])
translate([0, p.x, p.y])
rotate([0, 90, 0])
color([grey(10), "blue", "red", "orange", "yellow", "green"][i])
cylinder(d = cable_wire_size(cable), h = 60, center = true);
for(i = [1 : 6]) let(cable = cable(i, wire_d, [grey(10), "blue", "red", "orange", "yellow", "green"], tlen = twist_len))
translate([0, mouse_y + cable_pitch * i]) {
tr = cable_twisted_radius(cable);
bend_r = 5;
x = -d + thickness - bend_r;
path = [
[-5, 0, tr],
[x, 0, tr],
bend_r, [x, 0, -25]
];
rpath = rounded_path(path);
tpaths = twisted_cable(cable, rpath, irot = irot, frot = -irot);
positions = cable_bundle_positions(cable);
ends = [for(p = positions) [[30, p.x, p.y], [0, p.x, p.y]]];
paths = [for(i = [0 : len(tpaths) - 1]) bezier_join(ends[i], tpaths[i], 1.3, 3)];
cable(cable, paths, $fn = 32);
}
}
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