(defun c:InsBlk (/ blkName insPt att1) (setq blkName "MyBlock") (setq insPt (getpoint "\nInsertion point: ")) (setq att1 (getstring T "\nEnter label: ")) (command "._-INSERT" blkName insPt "1" "1" "0") ;; find last inserted block and set attribute (simple approach) (princ) )
If you're looking for a quick and easy way to generate code, here are the top tools available today:
: This specialized AI tool is designed specifically for CAD users. It requires no signup and provides ready-to-use LISP code for everything from system tweaks to dynamic blocks.
To see how this works, here is a production-ready example generated by an AI model. The Request:
A fast and capable alternative that can quickly draft basic routines and explain how the code functions step-by-step.
To get professional-grade code from free AI generators, use these advanced techniques.
Platforms like GitHub host community-driven, free-to-download AI scripts and fine-tuned models specifically designed for CAD automation.
You don't necessarily need expensive specialized software to start automating. Here is how you can use AI to generate AutoCAD LISP today: 1. Large Language Models (LLMs)
Clearly describe what you want to automate (e.g., "Write a LISP routine that labels all polyline lengths in green text").
Modern AI tools have dramatically changed this landscape by enabling users to generate functional LISP code simply by describing what they want in plain English. This democratization of AutoCAD automation means that even users with no coding experience can now create powerful custom tools.
Ask it to "comment the code thoroughly" so you can understand what it does. 2. Claude AI (Anthropic)
Automate the process of calculating slope percentages along a road centerline in AutoCAD Civil 3D.
While generating code is powerful, sometimes you just need a pre-written library. Here are two legendary LISP repositories that you can use alongside AI generators.
Instantly add linear dimensions to all selected closed polylines.
Paste your prompt into your chosen AI tool. Most AI tools will return complete code with explanations. For tasks involving loops through drawing objects, the AI might include code structures like:
From simple tasks like layer creation and batch purging to complex operations involving block insertion and attribute extraction, ChatGPT handles a wide range of AutoCAD automation needs.
Copy the code, save it as a .lsp file, and load it using APPLOAD . 2. Specialized CAD AI Plugins & Web Tools
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