Automate tasks in AutoCAD using the built-in AutoLISP programming language.
π What Youβll Learn
By the end of this lesson, youβll be able to:
Understand what AutoLISP is and how it integrates with AutoCAD
Write and load basic AutoLISP scripts
Automate repetitive drawing tasks
Use AutoLISP to create custom commands and improve productivity
π§ Why It Matters
AutoLISP is a powerful scripting language tailored for AutoCAD. With just a few lines of code, you can automate routine actions, create custom tools, and streamline your workflow. Itβs especially useful for teams working on complex drawings or those needing custom functionality not found in default commands.
π οΈ Tools Youβll Use
Tool / Feature
Description
Visual LISP Editor
AutoCADβs built-in environment for writing and testing AutoLISP
LOAD or APPLOAD
Load external LISP files into the current session
.LSP files
AutoLISP script files
DEFUN, COMMAND, SETQ
Core AutoLISP functions for defining and executing logic
π§ Lesson Structure
1οΈβ£ What is AutoLISP?
Brief history of LISP in AutoCAD
Difference between AutoLISP, Visual LISP, and other scripting tools
Common use cases (e.g., drawing automation, custom commands)
2οΈβ£ Writing Your First Script
Open the Visual LISP Editor
Create a new .LSP file
Example: A simple script that draws a line between two points