Elena Fischer
PLM Administrator, Automotive OEM
2026-07-05
We wired it into our release gate. Rework from bad geometry dropped noticeably in the first quarter.
NX Open Model Checker
Validate NX models against your quality checklist before release.
4.7 (84 reviews)11,260 downloadsv3.0.4
Siemens NX 1980 → 2412 Windows 10 / 11
Overview
Model Checker runs an NXOpen journal across parts and assemblies to detect broken references, missing PMI, non-standard layers, unconstrained sketches and attribute gaps. Results are reported in an interactive panel with jump-to-object navigation and an exportable audit trail.
Key features
- 80+ built-in checks with severity levels
- Custom check authoring in Python or C#
- Assembly-wide batch runs with HTML report
- PMI and attribute completeness validation
- Jump-to-object navigation from every finding
- Teamcenter-friendly audit export
Screenshots
Video tutorial
Reviews & ratings
4.5
84 ratings
Dan O'Reilly
NX CAD Specialist
2026-03-19
Custom checks in Python are straightforward. Report styling could use more options.
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Frequently asked questions
Version history
- v3.0.42026-08-02
NX 2412 compatibility, faster assembly traversal.
- v3.0.02026-01-27
New check API and interactive results panel.
- v2.4.22025-09-08
PMI validation improvements.
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