# 3dCMS: the walkthrough > 3dCMS builds real websites in 3D: pages, models and web blocks you walk through, built by hand or with AI, published as fast, crawlable sites. Free to start. This site is presented as an interactive 3D experience but every page is also available as a complete semantic HTML document at the same URL. Crawlers and AI agents that do not execute JavaScript will receive the full text content. A plain-text version of every page is available under /text/. ## Pages - [3dCMS: websites people walk through](https://3dcms.info/buckrackley/sites/3dcms-the-walkthrough/): 3dCMS builds real websites in 3D: pages, models and web blocks you walk through, built by hand or with AI, published as fast, crawlable sites. Free to start. - [Why build a website in 3D](https://3dcms.info/buckrackley/sites/3dcms-the-walkthrough/3d/why-3d): Why 3D websites now: AI assistants answer from flat pages, people stay for places they can explore, and a 3dCMS site serves both. - [A real 3D editor in the browser](https://3dcms.info/buckrackley/sites/3dcms-the-walkthrough/3d/build): The 3dCMS editor runs in the browser: transform gizmos, edit mode, parametric primitives, NURBS curves, cables, groups, instancing and full undo. - [Materials and textures](https://3dcms.info/buckrackley/sites/3dcms-the-walkthrough/3d/materials): Materials in 3dCMS: fourteen presets, PBR texture sets, a material node graph, animated texture maps, emissive glow and alpha cut-outs. - [Lighting, sky and atmosphere](https://3dcms.info/buckrackley/sites/3dcms-the-walkthrough/3d/light): Light a 3dCMS scene: live sky and time of day, spot lights with gobos and volumetric beams, area lights, shadow pools, fog, colour grading and LUTs. - [Animation, motion paths and camera rides](https://3dcms.info/buckrackley/sites/3dcms-the-walkthrough/3d/motion): Motion in 3dCMS: keyframe animation, objects that ride curves, guided camera rides, hinged doors, and tap actions that inspect or fly to objects. - [Particles, grass and force fields](https://3dcms.info/buckrackley/sites/3dcms-the-walkthrough/3d/particles): Particles in 3dCMS: emitters, rooted grass with breeze, vortex, wind and turbulence force fields, and a pointer field visitors stir by hand. - [Spatial audio](https://3dcms.info/buckrackley/sites/3dcms-the-walkthrough/3d/sound): Spatial audio in 3dCMS: positional clips that pan and fade with distance, ambient beds per room, and quiet tones from each page. - [Real web pages in 3D](https://3dcms.info/buckrackley/sites/3dcms-the-walkthrough/3d/web-pages): Web blocks in 3dCMS: headings, text, images, links and video that anchor to the world, face the visitor or pin to the screen, grouped into pages. - [Import the website you already have](https://3dcms.info/buckrackley/sites/3dcms-the-walkthrough/3d/import): Web import in 3dCMS: paste the address of your site and get its pages, headings, text, links and images laid out as a 3D scene you keep editing. - [Build with Claude, ChatGPT and Gemini](https://3dcms.info/buckrackley/sites/3dcms-the-walkthrough/3d/ai): Build 3D websites with AI: the 3dCMS Assistant in the editor, or the 3dCMS MCP server in Claude, ChatGPT, Gemini, Cursor and Claude Code. - [SEO and AI answers for 3D websites](https://3dcms.info/buckrackley/sites/3dcms-the-walkthrough/3d/search): How 3dCMS sites rank: every 3D page also serves a complete HTML document with schema.org, sitemaps and llms.txt, so search and AI read what visitors see. - [Fast 3D websites on phones](https://3dcms.info/buckrackley/sites/3dcms-the-walkthrough/3d/fast): Performance in 3dCMS: rooms that load on arrival, phone-sized model copies, instancing, and a pre-publish weight report per device tier. - [Publish and share a 3D website](https://3dcms.info/buckrackley/sites/3dcms-the-walkthrough/3d/publish): Publishing with 3dCMS: one click to a live URL, QR codes, share cards, embeds and oEmbed, reactions, a guestbook, Explore and view counts. - [What people build with 3dCMS](https://3dcms.info/buckrackley/sites/3dcms-the-walkthrough/3d/what-people-build): Ideas for 3D websites: portfolios, product launches, galleries and exhibitions, venues and showrooms, explainers and teaching. - [3dCMS plans and pricing](https://3dcms.info/buckrackley/sites/3dcms-the-walkthrough/3d/plans): 3dCMS plans: Free with five published sites, Starter $19 with no badge, Developer $49 and Worldbuilder $99 for studios. ## Data - [Sitemap](https://3dcms.info/buckrackley/sites/3dcms-the-walkthrough/sitemap.xml) - [Robots](https://3dcms.info/buckrackley/sites/3dcms-the-walkthrough/robots.txt) ## Rate limits Reads are rate-limited per IP. If you receive HTTP 429, honor the Retry-After header (also `retryAfterSeconds` in the JSON body) before retrying. Hot retries re-consume the budget and extend the pause. Space bulk requests out and send If-None-Match so repeat reads are cheap 304s.