To "put together a piece" from this kind of file typically involves the following steps:
If you are referring to a specific creator or a physical DIY project (such as a modular furniture assembly like 7th Avenue furniture ), you would follow the included manual to connect modular sections—such as corner pieces and ottomans—using the provided screws and plates.
: Import the parts into software like Blender or Cura to align the components before rendering or printing.