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Simpleware NURBS Module

NURBS model inspection for errors in Simpleware NURBS

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

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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?