It enables creators to work directly with decentralized 3D generation tools within the Unity editor, leveling the playing field for independent developers and designers,” said Ben James, founder ...

An example is this model of a 3D printable vise by Christophe Laimer. It’s a free model, but excellent documentation in a way that builds confidence in the model’s quality.

Namely, Unity’s WebGL deployment support will be free of charge for both free and Pro users. You’ll be able to build a game in Unity’s engine and push it to the web without paying them a dime.