STL to BREP

Table of Contents

1. Overview and Solution 2. Without Bench 3. Integrations 4. How Bench solves this

Overview

Engineering teams often receive complex non-parametric models from scans, suppliers, or topology optimisation.

These files capture shape but not design intent: no sketches, parameters, or editable feature tree. This means even small changes require slow, manual reverse engineering.

Engineers rebuild the model from scratch and iteratively compare it by eye against the reference geometry, a process that can take days for a single component.

Solution

Bench converts non‑parametric models into clean, fully parametric models that behave like it was created natively.

Bench ingests the STL or BREP, infers the key design drivers, and autonomously reconstructs a parametric model with meaningful sketches, features, and a feature tree - matching the reference geometry exactly.

The result is a production-ready parametric model that engineers can freely edit. They can tune parameters, add features, and reuse it across simulation, optimisation, and manufacturing workflows without manual rebuilds.

Up to 90%

Less Time

on manual STL to parametric BREP reverse engineering tasks.

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Without Bench

Identify Design Drivers

Identify the core design drivers (key dimensions, interfaces, symmetry, functional regions, material assumptions, etc.).

Create base geometry

Build an initial parametric base from scratch that roughly captures the overall form and main features.

Iterate and Develop

Refine the model itaretively, constantly comparing the reference (non‑parametric model) against the new parametric version until the shapes are effectively indistinguishable for the intended use.

Model Completed

Once the model is within acceptable tolerance, the engineer finalises the feature tree, and adopts this parametric model.

Without Bench, turning non-parametric models into useful parametric models means painstaking manual reverse engineering: rebuilding geometry feature by feature, iterating until it roughly matches the original, and only then having a model that can actually be edited, simulated, or reused.

Establishing context

Bench ingests the non-parametric model alongside relevant context so it understands the part, its role, and which dimensions and interfaces matter.

Autonomous Reverse Engineering

Bench analyses the model, infers design intent, and rebuilds it as a fully parametric CAD model with sketches, features, and a feature tree that matches the reference perfectly.

Review with Bench

The engineer reviews the result and tells Bench about any adjustments they want,. Bench updates the model before it’s adopted as the editable master for design, simulation, optimisation, and manufacturing.

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Integrations Supported

Onshape

Integrate with OnShape for seamless design collaboration and real-time updates across your team.

CAD

Solidworks

Utilize Solidworks to enhance your design workflow with powerful simulation and modeling capabilities.

CAD

Catia

Use Catia for smart engineering design and product management, helping teams create innovative solutions for today’s industries.

Scripting

SiemensNX

Integrate SiemensNX to optimize your engineering processes with cutting-edge design tools.

Scripting

ANSYS

Use ANSYS for simulation solutions that boost innovation and efficiency, letting engineers test their designs virtually before production.

CAE

SimScale

Integrate with SimScale’s world-class cloud-native AI and simulation workflows.

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STL to Parametric BREP