$fn=64;

/* [Dimensions] */
// Length of the LED channel
length = 150; // [50:5:300]

// Width of the LED strip (standard is 10mm or 12mm)
led_width = 12.5; // [8:0.1:20]

// Depth of the LED channel recess
led_depth = 4.0; // [2:0.1:10]

// Thickness of the baseplate to clip onto (e.g., acrylic or glass)
plate_thickness = 5.0; // [2:0.1:10]

// How deep the clip goes onto the baseplate
clip_depth = 12.0; // [5:0.5:25]

// Thickness of the plastic walls
wall = 2.0; // [1:0.1:5]

// Tilt angle of the LED channel (degrees, 0 = straight up, 45 = angled inward)
angle = 45; // [-45:5:75]

module led_channel_profile() {
    difference() {
        union() {
            // Support structure (hulls the clip and the base of the LED channel)
            hull() {
                // Main clip bounding box
                square([clip_depth + wall, plate_thickness + 2 * wall]);

                // Base of the LED channel to ensure a solid manifold connection
                translate([wall, plate_thickness + 2 * wall])
                    rotate([0, 0, angle])
                        translate([-wall, 0])
                            square([led_width + 2 * wall, 0.1]);
            }

            // LED Channel Body
            translate([wall, plate_thickness + 2 * wall])
                rotate([0, 0, angle])
                    translate([-wall, 0])
                        square([led_width + 2 * wall, led_depth + wall]);
        }

        // 1. Baseplate Clip Cutout
        translate([wall, wall])
            square([clip_depth + wall + 1, plate_thickness]);

        // Insertion flare for easy clipping onto the baseplate
        translate([clip_depth + wall - 1.5, wall])
            polygon([
                [0, 0],
                [2.5, -wall/2],
                [2.5, plate_thickness + wall/2],
                [0, plate_thickness]
            ]);

        // 2. LED Strip Cutout
        translate([wall, plate_thickness + 2 * wall])
            rotate([0, 0, angle])
                translate([0, wall])
                    square([led_width, led_depth + wall + 1]);
    }
}

// Orient for optimal 3D printing (strong layer lines, printed lying flat)
// The clip bridge is easily printable, and layer orientation prevents snapping.
rotate([-90, 0, 0])
    linear_extrude(height = length)
        led_channel_profile();