NURBS surface fitting module | Simpleware Software
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Simpleware NURBS Module

Simpleware NURBS allows segmented 3D image data to be exported as Non-Uniform Rational B-Splines (NURBS) to CAD packages. By using powerful and automatic patch fitting and surface generation techniques, the NURBS module enables 3D image data to be easily converted into CAD models. Save time and benefit from high-quality model generation capabilities when exporting IGES files to CAD.

Generate NURBS models from 3D Images

Simpleware NURBS allows segmented 3D image data to be exported as Non-Uniform Rational B-Splines (NURBS) to CAD packages. By using powerful and automatic patch fitting and surface generation techniques, the NURBS module enables 3D image data to be easily converted into CAD models. Save time and benefit from high-quality model generation capabilities when exporting IGES files to CAD.
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Why use Simpleware NURBS?

Simpleware NURBS makes NURBS patch fitting to segmented 3D image data a straightforward process.

Different patch fitting algorithms in Simpleware NURBS

  • Easy-to-use: Fully automated NURBS patch fitting integrated seamlessly into core Simpleware ScanIP environment.
  • Automated, robust, fast: From segmented image to CAD-ready model in minutes.
  • Accurate and reliable: Exact surface fitting preserves geometry and topology of original scan data.
  • Flexible: Optimize patch layout and control points for different geometries.
  • Compatible: Export NURBS in IGES and STEP file formats to all leading CAD packages.
  • Fully supported: All licences come with full support from our expert team of application engineers.

Try Simpleware ScanIP with NURBS Module

Sign up for a fully-supported trial version of the complete Simpleware software suite.

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Fit NURBS Patches to 3D Image Data

NURBS Patch Fitting

  • Two-step process: create a triangulated model preview and then fit NURBS patches
  • Additional triangulation optimization algorithms to improve input surface quality
  • Choice of patch fitting algorithms
  • Optimal fitting with auto-surface setting
  • Advanced options for fine-tuning fitting algorithms
  • Fillet preservation option for feature edges
  • Options to set control points number and density
Patch fitting to a CT scanned bracket in Simpleware NURBS
NURBS model of a pelvis in Simpleware NURBS

Quality Inspection Tool

  • Inspects NURBS models for errors (individual patches or clusters of patches)
  • Option to show errors and warnings
  • Shows errors above a user-defined threshold
  • Zooms into specific patches when inspecting image data
  • Pin-points location within the image data/segmentation

All the Tools and Features in Simpleware NURBS

Simpleware NURBS provides a range of options for NURBS patch fitting and inspection prior to export. Download the Simpleware NURBS technical datasheet for a list of all features available in the latest release.

Download Datasheet

FAQs

1. What file formats can be the Simpleware NURBS module export?

IGES and STEP (NURBS patches)

2. Which CAD packages can use Simpleware NURBS models?

Any CAD package that can import IGES or STEP (which is almost all CAD packages)

3. Are there different NURBS fitting methods?

Yes we have two different NURBS patch fitting methods, each is better suited to specific situations.

4. Can I control the amount of surface detail that is included in my model?

Yes, you can change the surface fitting, specific or adaptive tolerancing. You can also view the control points used to fit the patches and change these as required.

Any Questions?

Do you have any questions about Simpleware software or need additional information? 

Contact Us3D Image Processing Solutions