Mold Design and Casting > Sand Cores > To Create a Sand Core Using Cast
  
To Create a Sand Core Using Cast
1. Click Cast > Sand Core > Create Sand Core. The Create Component dialog box opens.
2. Specify the type of sand core to create.
3. Click Gather Vol.
4. From the VOLUME TYPE menu, select either Solid Volume or Surf Volume, depending on whether you want the sand core to be created as solid or surface geometry.
5. Follow the techniques described to gather the volume, fill inner loops, and close the volume.