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by brlcad 919 days ago
Not quite in the same vein, but the patent for T-splines expires in 2024. Big news for 3D modeling systems.
1 comments

Can you add some context on what T-splines are and why it's a big news? I kinda know splines in a trajectory planning sense but never heard of T-splines. Thanks!
The important part is that compared to B-splines, it lets you reduce the data size of a closed form surface by reducing the amount of data needed to describe it.

https://web.archive.org/web/20120710171813/http://cagd.cs.by...

The first 3 pictures explain it better than I can describe it, the rest is math going into how it's implemented.