$fn = 64;

// --- Parameters ---
cable_diameter = 12;      // Inner diameter for the cable
num_clips = 5;            // Number of clips on the strip
wall_thickness = 3;       // Thickness of the clip walls
strip_width = 15;         // Width of the strip
base_thickness = 3;       // Thickness of the bottom base plate
snap_opening = 9.5;       // Top opening width (smaller than cable to snap in)
mount_hole_dia = 4;       // Diameter of the end mounting holes
mount_margin = 15;        // Space at the ends for mounting

// --- Derived Values ---
outer_diameter = cable_diameter + (wall_thickness * 2);
clip_spacing = outer_diameter + 2;
strip_length = (mount_margin * 2) + (num_clips * clip_spacing);
clip_center_z = base_thickness + (cable_diameter / 2) + 1;

// --- Main Geometry ---
difference() {
    // Solid Bodies
    union() {
        // Base Strip
        translate([0, -strip_width / 2, 0])
            cube([strip_length, strip_width, base_thickness]);

        // Clip Bodies
        for(i = [0 : num_clips - 1]) {
            x_pos = mount_margin + (clip_spacing / 2) + (i * clip_spacing);

            // Lower support block (connects cylinder to base)
            translate([x_pos, 0, clip_center_z / 2])
                cube([outer_diameter, strip_width, clip_center_z], center=true);

            // Upper cylindrical body
            translate([x_pos, 0, clip_center_z])
                rotate([90, 0, 0])
                cylinder(h=strip_width, d=outer_diameter, center=true);
        }
    }

    // Subtractions
    for(i = [0 : num_clips - 1]) {
        x_pos = mount_margin + (clip_spacing / 2) + (i * clip_spacing);

        // Cable Hole
        translate([x_pos, 0, clip_center_z])
            rotate([90, 0, 0])
            cylinder(h=strip_width + 2, d=cable_diameter, center=true);

        // Snap Opening Cutout
        translate([x_pos, 0, clip_center_z + (outer_diameter / 2)])
            cube([snap_opening, strip_width + 2, outer_diameter], center=true);
            
        // Inner top chamfer for easier cable insertion
        translate([x_pos, 0, clip_center_z + (outer_diameter / 2) + 1])
            cube([snap_opening + 2, strip_width + 2, 2], center=true);
    }

    // Mounting Holes
    translate([mount_margin / 2, 0, -1])
        cylinder(h=base_thickness + 2, d=mount_hole_dia);

    translate([strip_length - (mount_margin / 2), 0, -1])
        cylinder(h=base_thickness + 2, d=mount_hole_dia);

    // Countersinks for mounting holes
    translate([mount_margin / 2, 0, base_thickness - 1.5])
        cylinder(h=2.5, d1=mount_hole_dia, d2=mount_hole_dia + 4);

    translate([strip_length - (mount_margin / 2), 0, base_thickness - 1.5])
        cylinder(h=2.5, d1=mount_hole_dia, d2=mount_hole_dia + 4);
}