nostr:npub16mtxp68k8c3p2sj0wzhagt3kd8ywkvzlkfyt3vrx9cahzfz000vs8dpnwy For your SVG input, I can recommend the usvg utility from the resvg project. It's an SVG normalizer that takes any spec-compliant SVG as an input,and produces an SVG output that only uses a small subset of the spec, making it much easier to handle. That's how svg-flatten works.