Learn Nx-open - 10 Code Examples & CST Typing Practice Test
NX Open is the API and programming interface of Siemens NX CAD/CAM/CAE software, allowing automation, customization, and integration through scripting and compiled languages such as Python, C#, and Java.
Learn NX-OPEN with Real Code Examples
Updated Nov 27, 2025
Learning Path
Understand NX session and part structure
Learn basic scripting in Python/C#
Automate geometry creation
Access and modify assemblies
Integrate with PLM/ERP systems
Skill Improvement Plan
Week 1: NX Open basics and session handling
Week 2: Part and sketch automation
Week 3: Feature manipulation and attributes
Week 4: Assembly automation and drawing generation
Week 5: PLM integration and complex workflow scripts
Interview Questions
What is NX Open and how is it different from journal recording?
Which languages are supported by NX Open?
How do you automate part and assembly creation?
Explain session and work part concepts in NX Open.
How would you integrate NX Open scripts with PLM systems?
Cheat Sheet
Session -> NX instance
Part -> CAD model
WorkPart -> active part in session
Feature -> modeling operation
Journal/Script -> automation macro
Books
NX Open API: Programming for CAD Automation
Mastering Siemens NX Customization
Automating NX with Python and .NET
Advanced NX Open Techniques
NX Open for Engineers and Developers
Tutorials
Getting started with NX Open Python
Automating part modeling and sketches
Assembly creation and manipulation via API
Batch drawing generation scripts
PLM integration and metadata automation
Official Docs
https://docs.plm.siemens.com/en/NX
NX Open API Reference Guide
Community Links
Siemens NX forums
NX Open API documentation
LinkedIn NX automation groups
Stack Overflow NX Open questions
YouTube NX Open tutorials
Community Support
Siemens NX forums
NX Open API documentation
Stack Overflow (NX tags)
LinkedIn Siemens NX groups
Siemens Learning Gateway
Frequently Asked Questions about Nx-open
What is Nx-open?
NX Open is the API and programming interface of Siemens NX CAD/CAM/CAE software, allowing automation, customization, and integration through scripting and compiled languages such as Python, C#, and Java.
What are the primary use cases for Nx-open?
Automating repetitive CAD modeling tasks. Creating custom design or simulation workflows. Batch generation of drawings and reports. Integrating NX with PLM/PDM systems. Custom feature development and CAD add-ons
What are the strengths of Nx-open?
Deep integration with NX environment. Supports multiple programming languages. Enables full automation of complex CAD tasks. Accessible to both engineers and programmers. Reduces repetitive work and human error
What are the limitations of Nx-open?
Requires learning NX object model and API. NX license required. Complex workflows may need advanced scripting. Debugging scripts inside NX can be slow. Performance depends on NX and system hardware
How can I practice Nx-open typing speed?
CodeSpeedTest offers 10+ real Nx-open code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.