$fn=64;

// --- Parameters ---
panel_thickness = 5.0;  // Thickness of the divider panels
wall_thickness = 2.0;   // Thickness of the connector walls
arm_length = 30.0;      // Length of each arm from the outer corner
height = 20.0;          // Total height of the connector
base_thickness = 2.0;   // Thickness of the floor/stop (set to 0 for a flow-through sleeve)

// --- Derived Variables ---
outer_width = panel_thickness + (wall_thickness * 2);

// --- Main Geometry ---
module corner_connector() {
    difference() {
        // Outer L-shape body
        union() {
            cube([arm_length, outer_width, height]);
            cube([outer_width, arm_length, height]);
        }
        
        // Inner L-shape slots (subtracted to create the channels)
        union() {
            // X-axis panel slot
            // Extended by 1mm in X and Z to ensure clean manifold cuts
            translate([wall_thickness, wall_thickness, base_thickness])
                cube([arm_length + 1, panel_thickness, height + 1]);
            
            // Y-axis panel slot
            // Extended by 1mm in Y and Z to ensure clean manifold cuts
            translate([wall_thickness, wall_thickness, base_thickness])
                cube([panel_thickness, arm_length + 1, height + 1]);
        }
    }
}

// --- Render ---
corner_connector();