OpenSCAD vs Siemens NX: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for OpenSCAD and Siemens NX side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, OpenSCAD leads on a free plan. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
OpenSCAD
The programmer's solid 3D CAD modeller for creating precise 3D objects.
Best for you if:
- • You want a fully free tool (Siemens NX requires payment)
Siemens NX
Deliver better products faster with powerful, integrated CAD and CAM solutions.
Best for you if:
- • You want faster product design cycles (up to 50%)
| At a Glance | OpenSCAD | Siemens NX |
|---|---|---|
Starts at | Free 100% free | Not published |
Category | 3D Design Developer Tools | 3D Design Design |
Rating | 4.2/5 G2 4.3 · Capterra 4.0 34 reviews | n/a |
Free plan | Yes | No |
Choose OpenSCAD or Siemens NX?
Choose OpenSCAD if
- You want a fully free tool (Siemens NX requires payment)
- You want provides full control over the modeling process through scripting
- You want enables easy modification and parametrically defined designs
Choose Siemens NX if
- You want faster product design cycles (up to 50%)
- You want shorter time-to-delivery (up to 20%)
In-Depth Analysis
OpenSCAD
The programmer's solid 3D CAD modeller for creating precise 3D objects.
OpenSCAD's pricing is exceptionally generous, as it is entirely free.
Strengths
- Pro: Provides full control over the modeling process through scripting.
- Pro: Enables easy modification and parametrically defined designs.
- Pro: Free and open-source software.
- Pro: Ideal for precise, technical 3D modeling like machine parts.
Weaknesses
- Con: Not suitable for artistic 3D modeling or animation.
- Con: Non-interactive modeling process may have a learning curve for some users.
Key features
Siemens NX
Deliver better products faster with powerful, integrated CAD and CAM solutions.
Strengths
- Pro: Faster product design cycles (up to 50%)
- Pro: Shorter time-to-delivery (up to 20%)
- Pro: High first-time yield in manufacturing (up to 90%)
- Pro: Integrated design and manufacturing capabilities
- Pro: Scalable for businesses of all sizes
Key features
Plans and prices: OpenSCAD vs Siemens NX
| Tool | Plans and prices | Source |
|---|---|---|
| OpenSCAD |
| openscad.org read Sep 30, 2026 |
| Siemens NX | No plan prices on file | plm.sw.siemens.com/en-US/nx |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on OpenSCAD pricing and Siemens NX pricing.
Key Takeaways
OpenSCAD
- Has a free plan
Siemens NX
- Choose if you want deliver better products faster with powerful, integrated CAD and CAM solutions
What the data shows
On the data below, OpenSCAD leads on a free plan. We do not name an overall winner for this pair.
- Only OpenSCAD has a published user rating (4.2/5 from 34 reviews); Siemens NX has none we can show.
- Only OpenSCAD has a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do OpenSCAD and Siemens NX compare in 2026?
On the data below, OpenSCAD leads on a free plan. We do not name an overall winner for this pair. Only OpenSCAD has a published user rating (4.2/5 from 34 reviews); Siemens NX has none we can show. Only OpenSCAD has a free plan.
What are OpenSCAD and Siemens NX used for?
OpenSCAD: The programmer's solid 3D CAD modeller for creating precise 3D objects. Siemens NX: Deliver better products faster with powerful, integrated CAD and CAM solutions.
What does OpenSCAD cost vs Siemens NX?
OpenSCAD is free. Siemens NX has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Sep 30, 2026.
What's the main difference between OpenSCAD and Siemens NX?
OpenSCAD's main strength: provides full control over the modeling process through scripting. Siemens NX's main strength: faster product design cycles (up to 50%).