123448 Now

Ensure the "Thin Feature" option is unchecked to create a solid volume instead of a hollow shell. 2. Revolved Boss/Base

The request "123448: generate a solid piece" is somewhat ambiguous, but it likely refers to a specific or CAD modeling operation. In engineering design, "solid piece" or "solid body" usually refers to creating a 3D model that has volume, rather than a hollow shell or a 2D wireframe. 123448

Joining separate mesh sections into one watertight volume using tools like or Blender . Ensure the "Thin Feature" option is unchecked to

If you have a collection of surface sheets that form a closed "box," you can use a Knit or Stitch tool to turn them into a single solid body. 123448