$fn = 64;

/* [Dimensions] */
// Total length of the channel
length = 100.0;

// Inner width of the LED channel (standard strips are 10mm or 12mm)
led_width = 12.5;

// Inner depth of the LED channel
led_depth = 5.0;

// Thickness of the baseplate to clip onto (tune for friction fit)
plate_thickness = 3.2;

// How deep the clip grips onto the baseplate
clip_depth = 12.0;

// Thickness of the plastic walls
wall = 2.0;

/* [Model] */

// Extrude the 2D profile to create the 3D channel
linear_extrude(height = length) {
    profile();
}

module profile() {
    difference() {
        // Main solid shape
        union() {
            // Clip section
            square([clip_depth + wall, plate_thickness + 2 * wall + 0.01]);
            
            // LED channel section
            translate([0, plate_thickness + 2 * wall])
                square([led_width + 2 * wall, led_depth + wall]);
        }
        
        // Cutout for the baseplate with flared opening for easy insertion
        translate([wall, wall])
            polygon([
                [0, 0],
                [clip_depth - 1.5, 0],
                [clip_depth + 1, -1.5],
                [clip_depth + 1, plate_thickness + 1.5],
                [clip_depth - 1.5, plate_thickness],
                [0, plate_thickness]
            ]);
            
        // Cutout for the LED strip (open to the top)
        translate([wall, plate_thickness + 3 * wall])
            square([led_width, led_depth + wall]);
    }
}