> For the complete documentation index, see [llms.txt](https://aec4d.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://aec4d.gitbook.io/docs/aec4d.md).

# AEC4D

- [What's old?](https://aec4d.gitbook.io/docs/aec4d/whats-old.md)
- [FAQs](https://aec4d.gitbook.io/docs/aec4d/faqs.md)