<svg width="420" height="420" viewBox="0 0 420 420" xmlns="http://www.w3.org/2000/svg">
 
  <!-- Styles -->
  <style>
    .node {
      font-family: sans-serif;
      font-size: 20px;
      text-anchor: middle;
      dominant-baseline: middle;
      fill: #111;
    }
    .label {
      font-family: sans-serif;
      font-size: 16px;
      text-anchor: middle;
      fill: #555;
    }
    .arrow {
      stroke: #111;
      stroke-width: 2.5;
      fill: none;
      marker-end: url(#arrowhead);
    }
  </style>
 
  <!-- Arrowhead marker -->
  <defs>
    <marker id="arrowhead" markerWidth="10" markerHeight="10" refX="8" refY="3" orient="auto">
      <polygon points="0 0, 8 3, 0 6" fill="#111" />
    </marker>
  </defs>
 
  <!-- Title -->
  <text class="label" x="210" y="40">RTT Operators</text>
 
  <!-- Node positions (equilateral triangle layout) -->
  <!-- Stabilize (top) -->
  <text class="node" x="210" y="90">Stabilize</text>
 
  <!-- Shift (bottom-left) -->
  <text class="node" x="110" y="315">Shift</text>
 
  <!-- Invert (bottom-right) -->
  <text class="node" x="310" y="315">Invert</text>
 
  <!-- Arrows (clockwise) -->
  <!-- Stabilize → Shift -->
  <line class="arrow" x1="210" y1="115" x2="135" y2="275" />
 
  <!-- Shift → Invert -->
  <line class="arrow" x1="140" y1="335" x2="285" y2="335" />
 
  <!-- Invert → Stabilize -->
  <line class="arrow" x1="310" y1="275" x2="235" y2="115" />
 
</svg>