src/design-system/icons/building-blocks.svg

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" role="img" aria-label="Three building blocks icon">
  <title>Three building blocks</title>
  <g fill="none" stroke="#000" stroke-width="20" stroke-linecap="round" stroke-linejoin="round">
    <!-- top cube -->
    <path d="M256 42 364 104 256 166 148 104Z"/>
    <path d="M148 104v124l108 62 108-62V104"/>
    <path d="M256 166v124"/>

    <!-- lower left cube -->
    <path d="M40 290 148 228 256 290 148 352Z"/>
    <path d="M40 290v124l108 62 108-62V290"/>
    <path d="M148 352v124"/>

    <!-- lower right cube -->
    <path d="M256 290 364 228 472 290 364 352Z"/>
    <path d="M256 290v124l108 62 108-62V290"/>
    <path d="M364 352v124"/>
  </g>
</svg>