<!DOCTYPE html>
<html lang="es">
<head>
<meta charset="UTF-8">
<title>Plantilla de Centrado de Pabilos</title>
<style>
  @page { size: letter; margin: 0; }
  body { margin: 0; display: flex; justify-content: center; align-items: center; height: 100vh; font-family: Arial, sans-serif; }
  .container { text-align: center; }
  svg { background: white; }
</style>
</head>
<body>
<div class="container">
  <h2>Plantilla de Centrado para Velas (Redondas y Cuadradas)</h2>
  <svg width="210mm" height="210mm" viewBox="0 0 210 210">
    <g transform="translate(105, 105)">
      <!-- Cuadrado 8 cm -->
      <rect x="-40" y="-40" width="80" height="80" fill="none" stroke="#000" stroke-width="0.8"/>
      <text x="0" y="-42" font-size="3" text-anchor="middle" font-weight="bold">Cuadrado 8x8 cm</text>
      
      <!-- Círculos concéntricos de 3 cm a 10 cm -->
      <circle r="15" fill="none" stroke="#bbb" stroke-width="0.3"/>
      <circle r="20" fill="none" stroke="#bbb" stroke-width="0.3"/>
      <circle r="25" fill="none" stroke="#bbb" stroke-width="0.3"/>
      <circle r="30" fill="none" stroke="#bbb" stroke-width="0.3"/>
      
      <!-- Vaso Rosa 6.5 cm -->
      <circle r="32.5" fill="none" stroke="#d10068" stroke-width="0.6"/>
      <text x="0" y="-33.5" font-size="2.8" text-anchor="middle" fill="#d10068">Vaso Rosa (6.5 cm)</text>
      
      <circle r="35" fill="none" stroke="#bbb" stroke-width="0.3"/>
      <circle r="40" fill="none" stroke="#bbb" stroke-width="0.3"/>
      <circle r="45" fill="none" stroke="#bbb" stroke-width="0.3"/>
      <circle r="50" fill="none" stroke="#bbb" stroke-width="0.3"/>
      
      <!-- Ejes centrales -->
      <line x1="-90" y1="0" x2="90" y2="0" stroke="#000" stroke-width="0.4"/>
      <line x1="0" y1="-90" x2="0" y2="90" stroke="#000" stroke-width="0.4"/>
      
      <!-- Centro para 1 solo pabilo -->
      <circle r="1" fill="#f00"/>
      <text x="0" y="4" font-size="2.5" text-anchor="middle" fill="#f00">Pabilo Único (Centro)</text>
      
      <!-- Puntos para 2 pabilos (Vaso Cuadrado) -->
      <circle cx="-20" cy="0" r="1.5" fill="#00f"/>
      <circle cx="20" cy="0" r="1.5" fill="#00f"/>
      <text x="-20" y="-3" font-size="2.5" text-anchor="middle" fill="#00f">Pabilo 1</text>
      <text x="20" y="-3" font-size="2.5" text-anchor="middle" fill="#00f">Pabilo 2</text>
    </g>
    
    <!-- Regla de comprobación -->
    <rect x="20" y="190" width="50" height="4" fill="#333"/>
    <text x="45" y="186" font-size="3" text-anchor="middle">Comprobación de Escala: Debe medir exactamente 5 cm con tu regla</text>
  </svg>
</div>
</body>
</html>
