Autodesk Inventor
Custom add-ins via iLogic & Inventor API. Thread Modeler is our first shipped product — true 3D thread geometry for FEA and additive manufacturing.
CAD Add-in Development
We build custom automation tools, add-ins, and AI-powered agents for the world's leading CAD and simulation platforms.
Blackrock Engineering bridges deep mechanical domain knowledge with hands-on API and SDK development. Whether you need a one-click Inventor add-in or a full AI agent that reads drawings and generates geometry, we can scope, build, and deliver it — and we ship our own tools, so we understand the full lifecycle.
Platform Coverage
We develop against the native APIs of all major CAD and simulation platforms used in professional engineering.
AutoCAD
Custom commands, tool palettes, and extensions built with LISP, ObjectARX, and the AutoCAD .NET API.
SOLIDWORKS
API macros, task pane add-ins, and PDM integrations to automate repetitive workflows and connect to downstream systems.
Ansys
Mechanical, Fluent, and SpaceClaim scripting. Workflow automation, parametric study pipelines, and custom result extraction.
Fusion 360
Cloud-native add-ins and scripts using the Autodesk Platform Services API for parametric design automation.
PTC Creo
Parametric automation and J-Link / Pro/TOOLKIT API tools for manufacturing-driven design workflows.
CATIA / 3DEXPERIENCE
3DX app development and CAA automation for aerospace and automotive design environments.
Revit / BIM
Dynamo scripts and Revit API add-ins for MEP coordination, structural documentation, and BIM data extraction.
What We Build
From one-click ribbon tools to full AI-powered engineering agents.
Custom Add-in Development
Bespoke plugins built to your specification and deployed directly in your team's CAD environment. From ribbon UIs to background services.
Automation Scripts & Macros
iLogic rules, VBA macros, and Python scripts that eliminate repetitive manual steps and enforce design standards automatically.
CAD-to-ERP / CAD-to-BOM Integration
Connect model and drawing data to downstream systems — ERPs, PLMs, and procurement tools — without manual re-entry.
Drawing Automation
Auto-populate BOMs, revision clouds, title blocks, and engineering notes directly from model properties and metadata.
AI Agent CAD Tools
LLM-powered agents that read engineering drawings, interpret specifications, generate 3D geometry, and produce documentation. An emerging capability with real results.
Custom CAD/CAM CLI Tools
AI-powered command-line tools that interface with CAD/CAM suites via their native APIs — automate batch operations, geometry checks, and report generation from the terminal.
Featured Product
Inventor Thread Modeler
True 3D threads in Inventor — FEA-ready, print-ready.
Autodesk Inventor's native thread tool creates cosmetic representations only. Thread Modeler generates real solid geometry you can mesh for FEA, export for 3D printing, or render at full fidelity — from user input or by reading existing Inventor thread features.
- Generates true solid 3D thread geometry — not cosmetic
- Reads existing Inventor thread features as input
- FEA-compatible mesh: thread geometry survives meshing and contact analysis
- 3D print-ready: correct geometry for SLA, FDM, and SLS workflows
- Define custom thread forms beyond Inventor's native library
- One-click workflow within the Inventor ribbon UI
System requirements: Autodesk Inventor 2018 · Windows
Screenshots & demo video coming soon
How We Work
01
Discovery
We learn your workflow, identify the bottlenecks, and scope a solution that fits your team's environment.
02
Spec & Proposal
A written technical specification and fixed-price or time-and-materials proposal before any code is written.
03
Development
Iterative builds with regular check-ins. You see working software early, not just at the end.
04
Testing & Delivery
Tested against your actual CAD environment and data. Delivered with documentation and installation guide.
05
Support & Iteration
Post-delivery support included. We're engineers — we understand that requirements evolve.
Need a bespoke CAD add-in or automation pipeline?
Tell us your workflow problem. We'll scope a solution and give you a straight answer on feasibility and cost.