AI Floor Plan for AutoCAD Opens directly as DWG

Describe the plan and open the resulting DWG straight in AutoCAD or AutoCAD LT. Walls, hatching, door and window blocks, furniture blocks, room labels and dimensions each sit on their own AIA layer, in millimetres, with an A3 title block.

Free. Use your own Anthropic or OpenAI key.

Also from Innerscene: Circadian Lab, a free lighting calculator for room illuminance, melanopic EML, and glare.

An example drawing made with AI

Download the DWG

Watch how it works

How it works

  1. 1. Describe it or add a photoType what you want in plain words, with sizes if you know them, or add a photo as a reference. Describe an object or a person.
  2. 2. The AI builds and checks itThe AI writes an OpenSCAD program for an object, or sets up the character generator for a person. It looks at six rendered views of the result and fixes what is wrong, up to five builds per message.
  3. 3. Refine and exportThe model opens in the viewer at real size. Ask for changes in the chat, move the sliders, then download it or pick a format from the Export menu.

Why make it with AI here

  • Doors, windows and furniture are blocks, so you can redefine, replace or count them with the usual AutoCAD tools.
  • Layer names such as A-WALL, A-GLAZ and A-AREA-IDEN follow the US National CAD Standard, so layer filters keyed to those names pick them up.
  • The AutoCAD 2000 DWG format opens in every AutoCAD release since 2000, LT included.

Prompts to try

Click one to open it in the AI panel, then change the sizes to suit.

Opening the plan in AutoCAD

  1. Download the DWG from the viewer.
  2. Open it in AutoCAD, or use XATTACH to reference it from your project drawing.
  3. Check that INSUNITS is millimetres before inserting it into a drawing in other units.
  4. Re-dimension any walls you move, since the DWG dimension text is fixed.

Dimensions in the DWG are grouped lines and text that look exactly right but are not associative. Export DXF from the viewer's Export menu for true AutoCAD dimension objects.

Best export formats: DWG, DXF, PDF (vector)

Open AutoCAD Floor Plan files in the free AutoCAD Floor Plan viewer

Good to know

The plan is one storey with straight walls and no stairs or columns. Dimension text is fixed, so it will not update when you stretch a wall.

Cost and privacy

You use your own Anthropic or OpenAI API key. It is stored only in your browser and sent only to that provider, which bills you directly: a model typically costs $0.05 to $0.30 at Standard quality and up to about $1 at Detailed, and Innerscene charges nothing. Your key and prompts are not sent to Innerscene; we record anonymous usage statistics such as the steps used, the model chosen, token counts, a cost estimate and whether a model was made.

How to get an Anthropic or OpenAI API key

Read the full guide: API keys, refining and exporting

Questions

▶Does it open in AutoCAD LT?
Yes. It is a 2D DWG in AutoCAD 2000 format, which LT opens and edits.
▶Are the doors and furniture blocks?
Yes. Doors (single, double and sliding), windows and every piece of furniture are blocks on their own layers: A-DOOR, A-GLAZ, A-FURN and A-FLOR-FIXT.
▶Why don't the dimensions update?
In the DWG they are drawn as grouped lines and text. Add new ones with DIMLINEAR, or export DXF from the viewer to get true dimension objects.
▶Can I map the layers to my office standard?
The layers use NCS and AIA names. Use LAYTRANS in AutoCAD to translate them to your own layer names.

What it can make

Floor plans and layouts

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