How to use 3D Max to produce 3D tile data?

Description:I want to use cesium to load some 3D tile data like the New York city. but I don't know how to produce 3D tile data, in particular, HLOD technology is also needed.
I would be grateful if anyone can help me solve this problem

Hi Lewin,

What format is your source data? We offer some 3D Data Services for tiling data many different formats and producing 3D Tiles. Contact Tim Rivernbark at tim@cesium.com for more info on your specific situation.

Thanks,

Gabby