Power Sub D-NURBS For MODO Plugin

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Power Sub D-NURBS For MODO Plugin

495.00

Power SubD-NURBS overview
The combination of MODO and the Power SubD-NURBS plug-in offers new conceptual modeling opportunities for designers in the automotive, aerospace, architectural, and consumer product goods industries.

Power SubD-NURBS was developed by IntegrityWare, located in San Diego, CA. It bridges the gap between Subdivision surface modeling and NURBS modeling, unifying free-form conceptual design with NURBS-based operations like filleting and blending. The plug-in is available for MODO 601 (32 and 64-bit), MODO 701 (64-bit) and MODO 801 for use on Windows and for Mac OS X.

Power SubD-NURBS settings
Power SubD-NURBS provides the ability to convert your Sub-D meshes into high quality NURBS surfaces with the following controls and workflow:

• Polygonal vs. SubD Faces — The plug-in can perform two types of exports: either “one-to-one” where each face of the mesh becomes a single planar face in the CAD format, or “smooth” where subdivided faces of the mesh will be combined to define curved NURBS surfaces. Typically the one-to-one export will have many small, sharp edges while the smooth export will generate large, primarily G2 continuous surfaces.

• The export accomplishes this by treating each face of the mesh as either polygonal or as a Subdivision surface based on how the mesh is currently displayed in MODO. It uses the displayed state as a tag for how each face should be processed.

• Export a mesh – The workflow is simple. First select the desired mesh in the scene. Then when you Export As or Save As in MODO, several new CAD formats are presented in a drop-down menu.

Export file formats
• IGES – .igs extension (Initial Graphics Exchange Specification)

• Rhino – .3dm extension (McNeel’s openNURBS format)

• SAT – .sat extension (ACIS SAT file format)

• STEP – .stp extension (ISO 10303, AP 203 format)

Please note that RHINO export is for Windows only.

• Subdivision quality – You have control over the density of the resulting NURBS surfaces when using the plug-in. The “Medium” setting uses the level that the plug-in determines to be optimal, but if the resulting quality is too low then using “Fine” or “Very Fine” can improve the results. Alternatively, if only a rough result is needed then “Coarse” can be selected for a faster export.

• Edge detection angle – The plug-in uses this angle when determining the surface breakdown of the CAD data. The default value, 145.0 degrees, is usually optimal for organic meshes. In cases where there are weighted edges or fairly sharp angles, the value can be lowered.

• Enable crease edges – Checking this setting will prevent the plug-in from trying to smoothly blend the continuity of surfaces that meet at sharp angles. The images below are the export results without and with this setting enabled.

• Triangulate invalid quads – This setting can improve the results when the mesh contains quads with very extreme angles between edges.

• MODO materials – The plug-in uses MODO materials as part of the criteria for determining the final surface breakdown in order to guarantee that there will be an edge along the boundary between different materials. This feature can be used to force specific edges to be generated for your desired CAD format where the plug-in would have otherwise determined edges to be unnecessary.

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