: If "solid piece" refers to a CAD model, you can find parts and project files on platforms like GrabCAD or 3D ContentCentral , which are standard for sharing SolidWorks and "solid" geometry files.
Prefer official manufacturer or university websites over third-party download portals.
If you can tell me more about the (e.g., is this for a specific software tutorial, a furniture assembly guide, or a legal document?), I can help you find the exact download link.