mirror of
https://github.com/nophead/NopSCADlib.git
synced 2025-09-03 04:12:35 +02:00
Cable clips can now handle up to 9 wires, have the nut and bolt flipped or use an insert.
cable_radius() now handles cables with up to 20 wires. cable_bundle() and cable_bundle_positions() now handle bundles up to 9 wires. Added cable_merge().
This commit is contained in:
Chris Palmer
@@ -18,100 +18,129 @@
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//
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//
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//! Cable clips to order. Can be for one or two cables of different sizes.
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//! Cable clips to order. Can be for one or two cables of different sizes. Can use an insert and a screw from below or a screw and nut either way up.
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//
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include <../core.scad>
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use <../vitamins/wire.scad>
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use <../utils/fillet.scad>
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use <../vitamins/insert.scad>
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wall = 2;
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function cable_clip_width(screw) = max(wall + 2 * screw_clearance_radius(screw) + wall, washer_diameter(screw_washer(screw))); //! Width given the `screw`.
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function cable_clip_height(cable) = cable_height(cable) + wall; //! Height given the `cable`.
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function cable_clip_extent(screw, cable) = screw_clearance_radius(screw) + wall + cable_width(cable) + wall; //! How far it extends from the screw.
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function cable_clip_offset(screw, cable) = screw_clearance_radius(screw) + wall + cable_width(cable) / 2; //! The offset of the cable from the screw
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function cable_clip_insert(screw, insert = true) = //! Insert type for clip, given screw.
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is_list(insert) ? insert : insert ? screw_insert(screw, true) : false;
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module single_cable_clip(screw, cable, h = 0) {
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screw_dia = 2 * screw_clearance_radius(screw);
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height = cable_clip_width(screw);
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depth = h ? h : cable_height(cable) + wall;
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function cable_clip_width(screw, insert = false) = //! Width given the `screw` and possibly insert.
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let(insert = cable_clip_insert(screw, insert))
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insert ? 2 * (insert_hole_radius(insert) + wall) :
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max(wall + 2 * screw_clearance_radius(screw) + wall, washer_diameter(screw_washer(screw)));
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function cable_clip_height(cable, screw = false, insert = false) = //! Height given the `cable`.
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let(insert = cable_clip_insert(screw, insert))
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max(cable_height(cable) + wall, insert ? insert_hole_length(insert) + 1 : 0);
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function cable_clip_extent(screw, cable, insert = false) = cable_clip_width(screw, insert) / 2 + cable_width(cable) + wall; //! How far it extends from the screw.
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function cable_clip_offset(screw, cable, insert = false) = cable_clip_width(screw, insert) / 2 + cable_width(cable) / 2; //! The offset of the cable from the screw.
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module single_cable_clip(screw, cable, h = 0, insert = false) {
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insert = cable_clip_insert(screw, insert);
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height = cable_clip_width(screw, insert);
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depth = h ? h : cable_clip_height(cable, screw, insert);
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w = cable_width(cable);
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width = wall + w + wall + screw_dia + wall;
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hole_x = wall + w + wall + screw_dia / 2;
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width = wall + w + height;
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hole_x = wall + w + height / 2;
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rad = min(wall + cable_wire_size(cable) / 2, depth / 2);
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r = extrusion_width - eps;
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translate([-hole_x, 0]) difference() {
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linear_extrude(height)
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difference() {
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hull() {
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rounded_square([width, 1], r, center = false);
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translate([width - 1, 0])
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rounded_square([1, depth], r, center = false);
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translate([rad, depth - rad])
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circle(r = rad);
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}
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translate([wall + cable_width(cable) / 2, 0]) {
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translate([-hole_x, 0])
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difference() {
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linear_extrude(height)
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difference() {
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hull() {
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for(p = cable_bundle_positions(cable))
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translate(p)
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circle(d = cable_wire_size(cable));
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rounded_square([width, 1], r, center = false);
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square([w, eps], center = true);
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translate([width - 1, 0])
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rounded_square([1, depth], r, center = false);
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translate([rad, depth - rad])
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circle(r = rad);
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}
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translate([wall + cable_width(cable) / 2, 0]) {
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hull() {
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for(p = cable_bundle_positions(cable))
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translate(p)
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circle(d = cable_wire_size(cable));
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square([w, eps], center = true);
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}
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for(side = [-1, 1])
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translate([side * w / 2, 0])
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hflip(side < 0)
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fillet(r = r, h = 0);
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}
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for(side = [-1, 1])
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translate([side * w / 2, 0])
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hflip(side < 0)
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fillet(r = r, h = 0);
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}
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}
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translate([hole_x, depth / 2, height / 2])
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rotate([90,0,0])
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teardrop_plus(h = depth + 1, r = screw_dia / 2, center = true);
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}
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translate([hole_x, depth, height / 2])
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rotate([90, 0, 0])
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if(insert)
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insert_hole(insert, 10, horizontal = true);
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else
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teardrop_plus(h = 2 * depth + 1, r = screw_clearance_radius(screw), center = true);
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}
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}
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module double_cable_clip(screw, cable1, cable2) {
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h = max(cable_clip_height(cable1), cable_clip_height(cable2));
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module double_cable_clip(screw, cable1, cable2, insert = false) {
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h = max(cable_clip_height(cable1, screw, insert), cable_clip_height(cable2, screw, insert));
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union() {
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single_cable_clip(screw, cable1, h);
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single_cable_clip(screw, cable1, h, insert);
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mirror([1,0,0]) single_cable_clip(screw, cable2, h);
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mirror([1,0,0]) single_cable_clip(screw, cable2, h, insert);
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}
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}
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module cable_clip(screw, cable1, cable2 = 0) { //! Create the STL for a single cable or two cable clip
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function clip_str(screw) = str("cable_clip_", screw_radius(screw) * 20);
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module cable_clip(screw, cable1, cable2 = 0, insert = false) { //! Create the STL for a single cable or two cable clip
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function clip_str(screw) = str("cable_clip_", screw_radius(screw) * 20, insert ? "I" : "");
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function cable_str(cable) = str("_", cable_wires(cable), "_", round(cable_wire_size(cable) * 10));
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if(cable2) {
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stl(str(clip_str(screw), cable_str(cable1), cable_str(cable2)));
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double_cable_clip(screw, cable1, cable2);
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double_cable_clip(screw, cable1, cable2, insert);
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}
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else {
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stl(str(clip_str(screw), cable_str(cable1)));
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single_cable_clip(screw, cable1);
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single_cable_clip(screw, cable1, h = 0, insert = insert);
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}
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}
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module cable_clip_assembly(screw, thickness, cable1, cable2 = 0) { //! Cable clip with the fasteners
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height = max(cable_clip_height(cable1), cable2 ? cable_clip_height(cable2) : 0);
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module cable_clip_assembly(screw, thickness, cable1, cable2 = 0, flip = false, insert = false) { //! Cable clip with the fasteners
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flip = flip || insert; // Screw must be below if using an insert
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insert = cable_clip_insert(screw, insert);
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height = max(cable_clip_height(cable1, screw, insert), cable2 ? cable_clip_height(cable2, screw, insert) : 0);
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stl_colour(pp1_colour) render()
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translate([0, cable_clip_width(screw) / 2]) rotate([90, 0, 0])
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cable_clip(screw, cable1, cable2);
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translate([0, cable_clip_width(screw, insert) / 2])
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rotate([90, 0, 0])
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cable_clip(screw, cable1, cable2, insert);
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nut = screw_nut(screw);
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screw_len = screw_length(screw, height + thickness, 2, nyloc = !insert, insert = insert);
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translate_z(height)
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screw_and_washer(screw, screw_length(screw, height + thickness, 2, nyloc = true));
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if(flip)
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if(insert)
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insert(insert);
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else
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nut_and_washer(nut, true);
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else
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screw_and_washer(screw, screw_len);
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translate_z(-thickness)
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vflip()
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nut_and_washer(screw_nut(screw), true);
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if(flip)
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screw_and_washer(screw, screw_len, insert);
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else
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nut_and_washer(nut, true);
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}
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