$fn = 64;

// Parameters
cable_diameter = 5.2;      // Target cable diameter + 0.2mm clearance
num_clips = 5;             // Number of clips in the strip
clip_spacing = 12;         // Distance between clip centers
wall_thickness = 2.2;      // Thickness of the clip walls
base_thickness = 2.5;      // Thickness of the base strip
strip_width = 12;          // Width of the strip (depth of the clips)
opening_width = 3.5;       // Width of the snap-in opening
end_margin = 10;           // Extra space at ends for mounting holes

// Calculated values
inner_r = cable_diameter / 2;
outer_r = inner_r + wall_thickness;
strip_length = (num_clips - 1) * clip_spacing + 2 * end_margin;

difference() {
    // Main body (extruded 2D profile)
    translate([0, strip_width / 2, 0])
        rotate([90, 0, 0])
        linear_extrude(height = strip_width) {
            difference() {
                union() {
                    // Base plate
                    square([strip_length, base_thickness]);
                    
                    // Clip bodies
                    for (i = [0 : num_clips - 1]) {
                        translate([end_margin + i * clip_spacing, base_thickness + outer_r - 0.5]) {
                            circle(r = outer_r);
                            // Support block connecting circle to base
                            translate([-outer_r, -(outer_r - 0.5)])
                                square([outer_r * 2, outer_r - 0.5]);
                        }
                    }
                }
                
                // Clip cutouts
                for (i = [0 : num_clips - 1]) {
                    translate([end_margin + i * clip_spacing, base_thickness + outer_r - 0.5]) {
                        // Inner cable hole
                        circle(r = inner_r);
                        
                        // Snap-in straight opening
                        translate([-opening_width / 2, 0])
                            square([opening_width, outer_r + 2]);
                            
                        // V-shaped chamfer for easy cable insertion
                        translate([0, outer_r - 0.8])
                            polygon([
                                [-opening_width / 2, 0],
                                [opening_width / 2, 0],
                                [opening_width / 2 + 1.5, 2],
                                [-opening_width / 2 - 1.5, 2]
                            ]);
                    }
                }
            }
        }

    // Mounting hole 1 (with countersink)
    translate([end_margin / 2, 0, -0.1]) {
        cylinder(r = 1.75, h = base_thickness + 1); // M3 screw clearance
        translate([0, 0, base_thickness - 1.5])
            cylinder(r1 = 1.75, r2 = 3.5, h = 1.6);
    }

    // Mounting hole 2 (with countersink)
    translate([strip_length - end_margin / 2, 0, -0.1]) {
        cylinder(r = 1.75, h = base_thickness + 1);
        translate([0, 0, base_thickness - 1.5])
            cylinder(r1 = 1.75, r2 = 3.5, h = 1.6);
    }
}