BackToCAD Technologies, LLC
The PRC (3D PDF) File Format
"The PRC file format (ISO 14739-1) is an accurate, highly compressible 3D data format optimized to store, load, and display various 3D data, metadata, assembly structure, graphics information and Product Manufacturing Information (PMI). The PRC file format can be viewed within the free Adobe Reader when encapsulated with the Portable Document Format (PDF). It can be stored within PDF as either accurate B-Rep geometry or tessellated data (Net). Because of this, it can be extracted from a PDF for use years later in CAD, CAM, CAE systems.
Adobe released control of the PRC data format to ISO and published the specification. In 2009, AIIM (www.aiim.org) established a working group to continue developing the PRC format. Working group participants include Boeing, Adobe, Bentley Systems, General Dynamics, TechSoft 3D, ITI Transcendata, and several other companies committed to open standards. PRC continues to be rapidly embraced by the standards community and the aerospace industry as a robust, neutral file format for 3D engineering data exchange and long-term data archival and retrieval.
As part of the PDF-2 open standard (ISO 32000-2:2017), the PRC file format provides users the assurance that 3D models, manufacturing instructions, and technical documents will be available years later for design reuse and in revisions to technical documents as part of the overall product lifecycle.
Adobe, for its part, is committed to continued support and advancement of the abilities of the free Adobe Reader to display and interact with PRC data. Adobe’s ongoing commitment ensures that engineering data can be shared with anyone, anywhere, both now and in the future.
Citation From 3DPDF Consortium,
3D PDF (PRC) Viewing with Acrobat
Acrobat 3D PDF Viewer
3D PDF Model as PRC
2D PDF Elements
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