| ▲ | cylemons 4 hours ago | |
I thought loop-blinn expired a while ago, or is the cubic curves separate from quadratic? | ||
| ▲ | amagitakayosi 3 hours ago | parent [-] | |
IIRC their patent is mainly for cubic curve filling. It's still in effect: https://patents.google.com/patent/US7564459B2/en | ||