<p>apparently, something like this:</p><p>path=document.getElementById('path6147'); svg=""; count=131072; step=path.getTotalLength()/count; for(let n=0; n<count; n++) { const pt=path.getPointAtLength(step*n); svg+=`${pt.x},${pt.y}\n`; }</p><p>(although chrome is still computing, a few minutes later)</p>