Does 3D New Era AI open Sweet Home 3D files?

Yes. .sh3d projects open with their walls, rooms, furniture, lights, cameras and levels, and you keep working on them in the editor.

Yes. The desktop app and the browser editor are free and open source (MIT or Apache-2.0), with no account and no ads.

Any MCP client: Claude, ChatGPT, Codex, Cursor, GitHub Copilot in VS Code, Gemini CLI and others. The AI uses the same tools you do, and every change can be undone.

← 3D New Era AI · Open in the browser · GitHub

A Sweet Home 3D alternative your AI can draw in

Sweet Home 3D taught a generation to draw their home: walls, rooms, furniture, a 3D view. 3D New Era AI keeps that way of working and adds a collaborator. Claude, ChatGPT, Copilot or any other AI that speaks MCP can draw, furnish and render the plan with you. Every step shows up on screen, and you can undo any of them.

It is free and open source, and it opens the .sh3d projects you already have.

What carries over from Sweet Home 3D

Your projects. .sh3d files open with their walls, rooms, furniture, lights, cameras and levels.
The way of working. A plan and a live 3D view side by side, a furniture catalog, walls you draw with the mouse, doors and windows that snap into them.
Free, on your own computer. No account, no subscription. Windows, macOS and Linux, plus a browser editor with nothing to install.

What is new

An AI that works in your project. Describe a room, or attach a floor plan image, and the AI draws the walls, places doors and windows at real scale and furnishes each room with real dimensions. You watch it happen, and you take over at any point.
Made-to-measure joinery. Kitchens, wardrobes and slatted panels sized to the wall, with every board, sink cutout and appliance niche computed.
Reviews against real standards. Lighting per room following ISO/CIE 8995-1, ergonomics (space beside beds, in front of the stove, around tables), and blocked doors and colliding furniture, reported as a list you or the AI can fix.
Photoreal pictures. Path-traced photos with the sun at the hour you pick and the lamps you placed, even on a computer without a graphics card.
Four languages. English, Portuguese, Spanish and French.

Side by side

Feature	Sweet Home 3D	3D New Era AI
Price	Free	Free
License	GPL	MIT or Apache-2.0
Platforms	Windows, macOS, Linux, online	Windows, macOS, Linux, browser
Opens .sh3d	Yes	Yes
An AI draws and furnishes with you (MCP)	Through third-party plugins	Built in
Made-to-measure joinery	—	Built in
Lighting and ergonomics review	—	Built in

Sweet Home 3D has a much larger furniture catalog and a long-standing community of plugins and models. If what you need is its catalog, it is still a great choice.

Try it

Watch a 90-second video of an AI designing a café from scratch.
Open the editor in your browser, with nothing to install.
Download the desktop app for Windows, macOS or Linux.