Learn Autolisp - 10 Code Examples & CST Typing Practice Test
AutoLISP is a dialect of the Lisp programming language built specifically for automating tasks, customizing workflows, and extending functionality within Autodesk AutoCAD software, enabling rapid development of scripts and commands to enhance CAD productivity.
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Learn AUTOLISP with Real Code Examples
Updated Nov 27, 2025
Learning Path
Learn AutoCAD basics
Understand AutoLISP syntax and data types
Write simple functions and commands
Practice entity manipulation and selection sets
Build complex automation scripts
Skill Improvement Plan
Week 1: Basic commands and functions
Week 2: Entity selection and modification
Week 3: Loops, conditionals, and recursion
Week 4: File I/O and batch processing
Week 5: Integration with external data and CAD workflows
Interview Questions
What is AutoLISP and how does it integrate with AutoCAD?
How do you create a custom command in AutoLISP?
Explain selection sets and entity manipulation.
How do you handle file I/O in AutoLISP?
Give an example of a batch automation script.
Cheat Sheet
(defun c:CommandName () ... ) -> Define command
(setq var value) -> Assign variable
(entget entity) -> Access entity data
(entmod entity) -> Modify entity
(command "LINE" pt1 pt2) -> Call AutoCAD command
Books
Mastering AutoLISP
AutoLISP in AutoCAD
Practical AutoLISP Programming
AutoLISP for AEC Automation
Advanced AutoLISP Techniques
Tutorials
AutoLISP beginner guide
Visual LISP IDE usage
Entity selection and manipulation
Batch drawing automation
Advanced AutoLISP scripting techniques
Official Docs
https://help.autodesk.com/view/ACD/2025/ENU/
https://www.autodesk.com/developer-network/platform-technologies/autolisp
Community Links
Autodesk Forums
CADTutor AutoLISP section
The Swamp AutoLISP community
LinkedIn AutoLISP groups
YouTube AutoLISP tutorials
Community Support
Autodesk Forums
CADTutor and The Swamp communities
LinkedIn AutoLISP groups
YouTube AutoLISP tutorials
StackOverflow AutoLISP tag
Frequently Asked Questions about Autolisp
What is Autolisp?
AutoLISP is a dialect of the Lisp programming language built specifically for automating tasks, customizing workflows, and extending functionality within Autodesk AutoCAD software, enabling rapid development of scripts and commands to enhance CAD productivity.
What are the primary use cases for Autolisp?
Automating drawing modifications. Custom command creation. Batch plotting and file management. Parametric drawing generation. Data extraction and CAD reporting
What are the strengths of Autolisp?
Rapid automation of repetitive CAD tasks. No external compiler needed. Highly flexible scripting with Lisp logic. Direct access to drawing database. Strong integration with AutoCAD commands
What are the limitations of Autolisp?
Only works within AutoCAD environment. Performance limited for extremely large drawings. Not suitable for real-time CAD applications. Visual customization is limited compared to .NET API. Older syntax may be less familiar to new developers
How can I practice Autolisp typing speed?
CodeSpeedTest offers 10+ real Autolisp code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.