<svg viewBox="0 0 600 150" xmlns="http://www.w3.org/2000/svg">
<ellipse cx="75" cy="75" fill="none" stroke="gray" stroke-width="3"
rx="${radii.rx}${radii.pc ? '%' : ''}"
ry="${radii.ry}${radii.pc ? '%' : ''}"
/>
<rect x="150" y="15" width="120" height="120"
fill="none" stroke="gray" stroke-width="5"
rx="${radii.rx}${radii.pc ? '%' : ''}"
ry="${radii.ry}${radii.pc ? '%' : ''}"/>
<rect x="150" y="15" width="120" height="120" fill="none" stroke="black" stroke-width="1" />
</svg>