For production-ready use, we recommend downloading the source format.The converted file is intended for web viewing only. In the Original format, the following are fully preserved:✔ native scene structure✔ complete materials without reduction✔ proper texture maps✔ original object namesIf you are going to integrate the model into a project, choose the source file.a naturally mixed lawn grass . Typical for central Europe. This variant has large clumps. You won t see the plants in 3D view only bounding boxes. In render the grass will be visible. Thisl helps for viewport performance and that s why this grass can be used on larger areas.