$fn=64;

// --- Parameters ---
label_length = 40;     // Length of the clip (Z-axis when printing)
label_height = 14;     // Height of the flat face (perfect for 12mm tape)
panel_thickness = 3.0; // Thickness of the shelf or bin edge to clip onto
wall_thickness = 1.6;  // Thickness of the plastic walls
clip_depth = 12;       // Depth of the rear mounting clip
grip_bump = 0.8;       // Size of the gripping bump on the rear clip

module label_clip() {
    wt = wall_thickness;
    pt = panel_thickness;
    lh = label_height;
    cd = clip_depth;
    gb = grip_bump;
    
    // Extrude the 2D profile along the Z axis 
    // This orientation is ideal for 3D printing without supports
    linear_extrude(height = label_length) {
        polygon(points=[
            [0, 0],                                      // Front bottom outer
            [0, lh + wt],                                // Front top outer
            [wt*2 + pt, lh + wt],                        // Back top outer
            [wt*2 + pt, lh - cd],                        // Back bottom outer
            [wt*1.5 + pt, lh - cd],                      // Back bottom flat
            [wt + pt - gb, lh - cd + 2],                 // Lead-in chamfer to grip bump
            [wt + pt, lh - cd + 4],                      // Taper up from bump to main wall
            [wt + pt, lh],                               // Back inner top
            [wt, lh],                                    // Front inner top
            [wt, 0]                                      // Front inner bottom
        ]);
    }
}

// Render the part, centered on the X and Y axes for better viewing
translate([-(wall_thickness*2 + panel_thickness)/2, -(label_height + wall_thickness)/2, 0])
    label_clip();