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More and more studios around the world are using Subdivision modelling in the early concept phase. The interactivity and smooth continuity allows designers to rapidly iterate different concepts. The same data can be used by the engineers to study the feasibility and the modellers to prepare and mill full size clay models. The clay model gets refined further and the scan data is sent back to the modeling department.

Usually at this stage, the model gets refitted/rebuilt manually. Although the Subd Retopo tool allows rapid creation of subd models on scan data, the resulting subd does not conform to the scan. This is because the retopo tool snaps the vertices of the subd to the reference data, and not the limit surface.

The following workflow will automatically snap the subd surfaces to the scan data. It depends on using the dynamo/dynamo player.

Install Mesh tool kit extension.

By default, Dynamo cannot read mesh data from Alias. The mesh tool kit package allows reading of STL/Obj data. 

 

Download the Dynamo definition.

Use the Dynamo definition in the dynamo player.

The Script in action

The original subd can be edited and the fitted subd will be automatically updated.

 

 

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