svg`
<svg width="300" height="300">
<defs>
<g id="shape">
<rect x="50" y="50" width="50" height="50" fill="#f06"/>
<circle cx="50" cy="50" r="50" fill="#f06"/>
</g>
</defs>
<use xlink:href="#shape" x="50" y="50" />
<use xlink:href="#shape" x="200" y="150" />
</svg>
`