Laser Map layered wood maps

1 · Location
    2 · Line widths
    Widths are real-world metres × map scale × exaggeration, but never below the minimum (a cut slot must stay wider than the laser kerf and strong enough to handle).
    3 · Layers (bottom → top)
    4 · Marks, text & export
    red = cut   blue = engrave. SVG is in millimetres.