How to put a model on a world created and export by blender?

asked 2021-11-08 02:47:53 -0600

I has created my own world in blender with OSM. I has exported to .launch file to run in gazebo. And i run it successfully in gazebo, but how to put my robot car on this world. image description

Zoom out to see details of the world. image description

Bringing some objects to this world but the result is not as expected, the object sinks. image description

My Expected Result. image description

How can I make a world like the excepted result. Thanks.

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