User Interface Location: Click Model > Split > Divide Surface.
User Interface Location: Click Model > Unify Surfaces.
Release: Creo Parametric 9.0.0.0

Watch videos that demonstrate this enhancement:

What is the benefit of this enhancement?
Creo 9.0 introduces two powerful new surface tools – Divide Surface and Unify Surfaces – designed to improve productivity and surface management flexibility.

Divide Surfaces
Divide Surface is a new feature that replaces the Surface Region capability, which was previously limited to Creo Simulate.
This tool allows you to split a specific area of an existing surface into a new, adjacent surface that remains in contact with the original. Earlier versions of Creo did not support this capability. Divide Surface is especially useful when surface areas are needed as referenceable geometry within a model.
The feature supports both sketch projection–based creation and chain-based creation methods, enabling greater control over surface definition.

Supported key use cases for Divide Surface include:

  • In the Model-Based Definition where Product Manufacturing Information (PMI) can use divided surfaces as a semantic reference that supports aspects such as semantic query, control characteristics designation, and more.

  • Simulation and Generative Design leveraging divided surfaces for the definition of loads and constraints or meshes.

  • Rendering aesthetics such as appearance, surface finish, texture.

  • Data exchange.
  • Basic workflows for geometry creation and modification, such as engravings.

Unify Surfaces
Unify Surfaces complements Divide Surface by allowing previously divided surfaces – or surfaces created during model import – to be merged back together.
Selected surfaces can be unified into a target surface while preserving its identity and attributes such as appearance. Additionally, surface references used by child features can be redirected to the target surface using the Update Surface References option.
This functionality provides a way to geometrically reverse surface division, a capability that was not available in earlier Creo releases.

Additional Information

Tips:• Some sketches may lead to ambiguous situations for Divide Surface based on open chains. Closing the loops can remove potential ambiguities.

• Multiple chains used to create divided surfaces should be closed and not intersect.
Limitations:• Divide Surface supports basic modeling operations but is not fully supported for all operations inside Core Modeling, Flexible Modeling, Sheet Metal Design, or in other modules or applications in Creo.

• Unify Surfaces accepts only the surfaces that have been created by the Divide Surface feature containing a Dividing Edge or created during the import.
Does this replace existing functionality?The new feature Divide Surface replaces Surface Region, which was available only in Creo Simulate.
Configuration option associated with this functionality:None.

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