Automate the repetitive. Ship faster.
Ready-to-use automation tools for CATIA, Siemens NX, Excel VBA and Python. Documented, versioned and validated against current software builds.
Trusted by engineering teams across aerospace, automotive and manufacturing
Categories
Four automation disciplines
Featured
Featured tools
Latest releases
Fresh from the build pipeline
Why EngSurface
Tools you can actually trust
Every tool in the catalogue follows the same release process — no experiments, no half-baked scripts shipped to production.
Free trial on paid tools
Every paid tool starts as a free trial on your own machine — test it on real projects before you spend anything.
12 months of updates
Paid tools include a full year of compatibility updates as CAD vendors ship new versions.
Fast, clear delivery
No account needed for free tools. Paid downloads are instant, and your activation key arrives by email — usually within 24 hours.
Built by engineers
Every tool comes from a real production need — documented, versioned and battle-tested.
Compatibility
Tested on current builds
All tools are validated against the most widely used versions in the industry.
Tutorials
Learn each tool in under ten minutes
CATIA Drawing Automation Suite
Generate production drawings, views and dimensions in a single pass.
NX Open Model Checker
Validate NX models against your quality checklist before release.
A walkthrough for every tool
Installation, configuration and a real production example — recorded for every release in the catalogue.
Watch the tutorialsNew tools, every month
Release notes, automation techniques and early access to beta builds. No marketing noise — one email per release.
Can't find what you need?
Describe your workflow and we'll build a custom tool for your exact environment.