Click . Change the file extension from .txt to .lsp (e.g., clean-drawing.lsp ). Change the save type to "All Files". Step 2: Load it into AutoCAD Open your drawing in AutoCAD. Type APPLOAD into the command line and press Enter. Browse to your saved .lsp file.
"Make a LISP that prompts me to select a polyline, then adds a label indicating its area in square feet."
I understand you're looking for information on AI-powered AutoCAD LISP code generators that are available for free download. However, I want to provide some important context and guidance rather than a direct download link. ai generator autocad lisp free download
The integration of AI into AutoCAD scripting is not a novelty; it is a productivity multiplier. Here is why thousands of architects and mechanical engineers are switching to AI-generated LISP:
Several free download options are available for AI generator AutoCAD Lisp tools. Some of the most popular ones include: Step 2: Load it into AutoCAD Open your drawing in AutoCAD
Name the file (e.g., centerline.lsp ) ensuring it ends with the extension. Click save to download your custom tool. How to Load and Run the Script in AutoCAD
While AI tools are incredibly smart, AutoLISP is highly sensitive to minor formatting errors. Use these troubleshooting strategies to get the best results: "Make a LISP that prompts me to select
| Tool | Key Feature | Price Model | Best For | | :--- | :--- | :--- | :--- | | | General-purpose AI script writing. | Free / Freemium | Users who need custom scripts and immediate, conversational feedback. | | @lisp/agent | MCP-based AI assistant for CAD, installed via Node.js. | Free (no token purchase required) | Technical users wanting a direct AI connection inside their CAD environment. | | CADGPT 2025 | Specialized LISP, ObjectARX, and VBA generator. | Free Trial (e.g., 7 days) | Professionals focused on code generation and getting 24/7 CAD support. | | AutoCAD AI Agent | NLP to create complex lighting design drawings. | Open Source (requires OpenAI API Key) | Lighting designers and engineers working with specific component libraries. | | autocad-mcp | Connects Claude AI directly to AutoCAD via 684 commands. | Freemium (Trial available) | Architects using Claude for design, requiring full architectural tool support. |
Some AI models still output code using deprecated functions (e.g., (command "hatch" ...) for old hatch dialogs). Always specify your AutoCAD version in the prompt: "Write LISP compatible with AutoCAD 2024 and newer."
Understands syntax structures perfectly and suggests code in real-time.
Instead of needing to know the specific syntax for (defun c:...) or how to manipulate entity data ( entget ), you can simply describe what you want the code to do.