- use https://aydos.com/svgedit/
- change viewport to 999x999 or 99x99
- make relative
- round to integer
- use https://yqnn.github.io/svg-path-editor/ or https://github.com/MewPurPur/GodSVG
- upload your reference image and use 999x999 or 99x99 as the image size (preserve aspect ratio)