$fn = 64;

// --- Parametric Dimensions (in mm) ---
bin_width = 80;          // Total width of the bin
bin_depth = 100;         // Total depth from front to back
bin_height = 60;         // Height at the back
wall_thickness = 2.5;    // Thickness of the walls and base

top_flat_depth = 40;     // Length of the flat top section before the tilt
front_lip_height = 20;   // Height of the front wall for easy access

module tilted_parts_bin() {
    difference() {
        // Main outer solid body
        cube([bin_width, bin_depth, bin_height]);

        // Inner hollow cavity
        // Translated inward by wall thickness, extended out the top for clean cut
        translate([wall_thickness, wall_thickness, wall_thickness])
            cube([
                bin_width - (2 * wall_thickness),
                bin_depth - (2 * wall_thickness),
                bin_height + 2
            ]);

        // Angled slice to create the tilted open front
        // Rotated to smoothly connect the top flat section to the front lip
        translate([-1, top_flat_depth, bin_height])
            rotate([-atan2(bin_height - front_lip_height, bin_depth - top_flat_depth), 0, 0])
                cube([bin_width + 2, bin_depth * 2, bin_height * 2]);
    }
}

// Render the model
tilted_parts_bin();