这段材料回顾2021年Facebook更名为Meta后3D虚拟世界热度迅速消退，并指出随着AI从文本、图像到视频再到交互式3D环境的跨越，元宇宙概念可能重新出现。核心技术进展来自能够从文本或单张图像生成三维空间的模型，例如Fei-Fei Li的World Labs系统，可直接产出可探索的3D环境，突破此前依赖人工建模的限制。叙述强调技术能力的质变，而非用户数量或市场规模的统计趋势。

这些生成式3D模型可能改变动画工作室的生产流程，同时赋予个人随时建造沉浸式空间的能力，构成新型数字内容形式。示例用途包括远程工作的私人虚拟空间、由照片构建的可漫游式博物馆、作为个性化互动游戏的生日卡片。这里的趋势在于创作门槛的显著下降，使小规模、高定制度的虚拟环境成为大众可及的产物，而非大型企业独占的资产。

文本同时警告沉浸式替代现实的潜在风险，指出用户可能被吸引进入高黏性虚拟空间难以抽离。整体判断认为这类3D生成技术将在明年推动元宇宙话题回流，即使不使用“元宇宙”一词。关键趋势不是市场份额或采用率，而是模型能力本身的跃迁将重新激活相关讨论。

The passage notes that Facebook’s 2021 renaming to Meta led to a brief fixation on 3D virtual worlds that soon faded, but advances in AI — moving from text to images to video to interactive 3D environments — may revive metaverse discourse. A major shift comes from models that generate full 3D spaces from text or a single image, such as Fei-Fei Li’s World Labs system, enabling environments previously requiring manual modeling. The emphasis is on technological capability rather than user counts or market metrics.

These generative 3D models may alter animation-studio pipelines and give individuals the ability to construct immersive spaces at will, forming new categories of digital content. Potential uses include private virtual workrooms, explorable museums built from photo albums, and personalized interactive birthday-card games. The trend centers on dramatically lowered creation barriers, making small-scale, highly customized environments widely accessible rather than restricted to major studios.

The text also warns of risks of absorbing alternative realities that may be difficult to exit. Overall, it argues that such 3D world-building models will likely bring metaverse discussion back next year, regardless of terminology. The key trend is that capability breakthroughs, not adoption statistics, will reignite interest.