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Conversion

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Transformation from .STP, .STEP to .U3D
Backward .U3D → .STP, .STEP

Input format comprises a solid surface or (NURBS) information. Target format contains polygonal information. Conversion involves triangulation (dividing mathematical surfaces into triangles). The smaller the size of the triangle is given, the more detailed model at the output and the larger the file size.
The complexity of the conversion: LOW
 
NameSTEPUniversal 3D File
File extension.stp, .step.u3d
Original software
Binary■■
ASCII■
Polygonal■
NURBS■
Solids
Smoothing groups■■
Textures, materials■
Developer/OwnerISO3D Industry Forum, Ecma International
Description
SpecificationDownload PDFUniversal 3D File Format
Format featuresThe basic format of the transfer surfaces between CAD-systems. See also IGESAttempt to create a universal format for the exchange of 3D-data, including for publishing on the Internet. One of the successors of obsolete format WRL (VRML)
Viewing softwareDelcam Exchange 2012 (free), eDrawings (free)GLC_Player (free), MeshLab (free)
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