Extending CAD to Do Exactly What You Want It to Do

Custom plugins, automations, and toolchain workflows — built around your engineering reality.
We make multi-tool workflows easier, extend your CAD capabilities, and automate tedious manual steps.

CAD Tools & SDKs We Customize

We work with a wide range of CAD platforms and SDKs to create plugins, automations, and interoperability workflows tailored to your tools and teams.

CAD Tool
SDK / API Stack
Customization Capabilities
Creo
Creo Toolkit, J-Link
Feature plugins, UI automation, model interrogation
SolidWorks
SolidWorks API (VB.NET, C#)
Batch processing, parametric automation, BOM workflows
AutoCAD
AutoLISP, .NET API
Drawing automation, symbol generators, rule-based logic
Revit
Revit API (.NET)
Architecture/MEP automation, IFC export, plugin panels
Onshape
FeatureScript, REST APIs
Custom modeling features, real-time integrations
Tekla
Tekla Open API (.NET)
Steel detailing automation, BIM integrations, custom export workflows
SketchUp
SketchUp Ruby API, C SDK
Custom extensions, import/export workflows, geometry processing
Parasolid (Kernel)
Parasolid Kernel API
Geometry engines, shape builders, solid modeling logic
ACIS (Kernel)
Spatial ACIS API
Advanced geometry ops, Boolean tools, model repair
OpenCascade (Kernel)
OpenCascade Technology (C++)
Custom modelers, STEP/IGES workflows, visualization tools

Let’s Streamline Your CAD Stack

Book a strategy call or share your use case to get a custom workflow assessment.

Book Use Case Review

Why Some of the largest Enterprise companies in world trust Optellix with CAD Customization work

Expertise

Deep CAD Expertise, Built In

Our core team has years of experience developing the very CAD platforms we now customize. We understand their inner workings, limitations, and extensibility — giving us a unique edge in delivering high-impact, reliable solutions.

Seamless

Strong Mathematical Foundation

We work inside your existing CAD environment — no disruption to workflows.

Accelerated

Delivered in 4–6 Weeks

We scope smart, build fast, and demo weekly — no surprises.

Reliable

Enterprise-Grade Quality & Support

Robust versioning, documentation, testing & long-term maintainability baked into every delivery.

Real Impact. Across Real Teams.

Advanced Simulation CAD Toolkit For Ansys Simulation Workflows

Built plugin suite for a simulation giant integrating CAD pre-processing logic directly into Creo workflows, streamlining model setup for multiphysics scenarios in Ansys.

Read More

Revit Code Compliance Checker For Interior Design SaaS

Developed a custom Revit plugin to auto-validate building layouts against NBC compliance parameters — cutting design review loops and catching 90% of errors before export.

Read More

Mining Bit Simulation Plugin For CNPC USA (Energy Sector)

Built advanced meshing and dynamic simulation plugins in Creo for mining bit design — delivered in collaboration with the US engineering team.

Read More

Proven Results from Our CAD Projects

90% Custom Logic, Not Just Macros

Most plugins we build use deep API access across Revit, SolidWorks, or Creo — tailored to your exact workflows.

Delivered for 4+ Toolchains

From BIM to Simulation to Oil & Gas — our CAD tools run in complex, real-world engineering environments.

Plugins Load in Under 3 Seconds

Engineered for responsive UI and fast runtime across Revit, Creo, and SolidWorks environments.

Free CAD Customization Starter Kit

The toolkit engineering teams use to plan smarter, justify automation, and scope the right plugin from the start.

Frequently Asked Questions

Still have questions?

We’re just a message away. Reach out to us — we’re here to assist you.

Get in Touch
What types of CAD customizations do you support?

We build custom plugins, automation scripts, and tool extensions for Revit, SolidWorks, Creo, AutoCAD, and other CAD platforms — covering UI tools, geometry automation, and system integrations.

How long does a typical plugin or automation take?

Most custom tools are delivered within 4–6 weeks depending on complexity. You'll see weekly progress and demos throughout.

Can you integrate with PLM, ERP, or other systems?

Yes — we specialize in CAD-to-PLM and CAD-to-ERP integrations via custom APIs, data mappers, and automation pipelines.

What industries do you typically serve?

We work with engineering teams in Simulation, InteriorTech, AEC, Oil & Gas, Manufacturing, and Industrial SaaS — including use cases like compliance, product automation, and field deployment tools.

Will we speak with a developer or just sales?

You speak directly with our CAD tech lead or architect — no generic sales teams involved. We're here to scope real solutions.

Do you offer post-delivery support or versioning?

Yes. Every delivery includes documentation, optional training, and long-term support plans if needed.

Still have questions?

We’re just a message away. Reach out to us — we’re here to assist you.

Get in Touch

Let’s Save Your Team 30+ Hours This Month

Get a free CAD workflow audit, and we’ll show you where automation can immediately pay off.

You'll speak directly with our tech lead — no sales fluff.

Feel free to share your details!
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.