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The main Teigha PRC example for “how to create” is the OdPrcCreate example located in the \Prc\Examples\OdPrcCreate folder. The release package includes a prebuilt OdPrcCreate.exe application in the “exe” folder. Also a project file is available in the release packages (for Microsoft® Windows®). So it is possible to start the prebuilt application or debug it using Microsoft Visual Studio.

To create a boundary representation model (for example, a cone) with trimming loops, use the following steps:

In Teigha PRC, an OdPrcHighlyCompressed3dTess can be decompressed into an OdPrc3dTess.
To do it:

With Teigha, you can export a .dwg file to a .pdf file that has PRC support.
The easiest way to see how it works is to use the OdaMfcApp sample application and the steps below.
1. Run OdaMfcApp.
2. Open a .dwg or .dxf file.

Teigha PRC is a toolkit for reading, rendering and creating PRC files (also known as 3D PDF). It is included in a standard Teigha subscription. PRC (Product Representation Compact) is a 3D file format that is used to represent 3D model data. The main purpose of the PRC format is to provide a compact binary form for CAD data visualization.