CONVTOSOLID command
Converts entities to solid entities.

Description
Converts valid 2D and 3D entities to 3D Solid entities. Valid entities include:
- Watertight 3D Mesh
- Watertight 3D Surface
- 3D Polygon Mesh
- 3D Polyface Mesh
- Circle with thickness
- Closed Polyline of non-zero thickness and uniform width
Method to convert to solid
There is one method to convert entities to 3D Solid entities:
- Select entities
- Select Entities
- Begin converting an entity to a 3D Solid entity by selecting a valid entity then:
- Select entities
- Select another valid entity or press Enter to complete the command.