Added printed cable clips.

2025-09-03 12:22:46 +02:00 · 2022-02-11 09:08:51 +00:00
parent ed46cbb147
commit 95b6771811
6 changed files with 287 additions and 49 deletions
--- a/printed/cable_clip.scad
+++ b/printed/cable_clip.scad
@@ -0,0 +1,117 @@
+//
+// NopSCADlib Copyright Chris Palmer 2022
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+
+//
+//! Cable clips to order. Can be for one or two cables of different sizes.
+//
+include <../core.scad>
+use <../vitamins/wire.scad>
+use <../utils/fillet.scad>
+
+wall = 2;
+
+function cable_clip_width(screw) = max(wall + 2 * screw_clearance_radius(screw) + wall, washer_diameter(screw_washer(screw))); //! Width given the `screw`.
+function cable_clip_height(cable) = cable_height(cable) + wall; //! Height given the `cable`.
+function cable_clip_extent(screw, cable) = screw_clearance_radius(screw) + wall + cable_width(cable) + wall; //! How far it extends from the screw.
+function cable_clip_offset(screw, cable) = screw_clearance_radius(screw) + wall + cable_width(cable) / 2; //! The offset of the cable from the screw
+
+module single_cable_clip(screw, cable, h = 0) {
+    screw_dia = 2 * screw_clearance_radius(screw);
+    height = cable_clip_width(screw);
+    depth = h ? h : cable_height(cable) + wall;
+    w = cable_width(cable);
+    width = wall + w + wall + screw_dia + wall;
+    hole_x = wall + w + wall + screw_dia / 2;
+    rad = min(wall + cable_wire_size(cable) / 2, depth / 2);
+    r = extrusion_width - eps;
+    translate([-hole_x, 0]) difference() {
+        linear_extrude(height)
+            difference() {
+                hull() {
+                    rounded_square([width, 1], r, center = false);
+
+                    translate([width - 1, 0])
+                        rounded_square([1, depth], r, center = false);
+
+                    translate([rad, depth - rad])
+                        circle(r = rad);
+                }
+
+                translate([wall + cable_width(cable) / 2, 0]) {
+                    hull() {
+                        for(p = cable_bundle_positions(cable))
+                            translate(p)
+                                circle(d = cable_wire_size(cable));
+
+                        square([w, eps], center = true);
+                    }
+                    for(side = [-1, 1])
+                        translate([side * w / 2, 0])
+                            hflip(side < 0)
+                                fillet(r = r, h = 0);
+                }
+            }
+
+        translate([hole_x, depth / 2, height / 2])
+            rotate([90,0,0])
+                teardrop_plus(h = depth + 1, r = screw_dia / 2, center = true);
+    }
+}
+
+
+module double_cable_clip(screw, cable1, cable2) {
+    h = max(cable_clip_height(cable1), cable_clip_height(cable2));
+    union() {
+        single_cable_clip(screw, cable1, h);
+
+        mirror([1,0,0]) single_cable_clip(screw, cable2, h);
+    }
+}
+
+module cable_clip(screw, cable1, cable2 = 0) { //! Create the STL for a single cable or two cable clip
+    function clip_str(screw) = str("cable_clip_", screw_radius(screw) * 20);
+    function cable_str(cable) = str("_", cable_wires(cable), "_", round(cable_wire_size(cable) * 10));
+
+    if(cable2) {
+        stl(str(clip_str(screw), cable_str(cable1), cable_str(cable2)));
+
+        double_cable_clip(screw, cable1, cable2);
+    }
+    else {
+        stl(str(clip_str(screw), cable_str(cable1)));
+
+        single_cable_clip(screw, cable1);
+    }
+}
+
+
+module cable_clip_assembly(screw, thickness, cable1, cable2 = 0) { //! Cable clip with the fasteners
+    height = max(cable_clip_height(cable1), cable2 ? cable_clip_height(cable2) : 0);
+
+    stl_colour(pp1_colour) render()
+        translate([0, cable_clip_width(screw) / 2]) rotate([90, 0, 0])
+            cable_clip(screw, cable1, cable2);
+
+    translate_z(height)
+        screw_and_washer(screw, screw_length(screw, height + thickness, 2, nyloc = true));
+
+    translate_z(-thickness)
+        vflip()
+            nut_and_washer(screw_nut(screw), true);
+}