CEO of Figma here. Most of the original insights around vector networks were in 2013, though we continued to polish the implementation over time. We didn't exit stealth and ship the closed beta of Figma until December 2015 which is why there isn't blog content before then.

At first glance, this thesis looks super neat! I'm excited to check it out! I don't believe I've seen it before which is surprising given the overlap.