I am totally new for threejs I need some guidance

[looeee]

Sure, have a read over my previous answer here for details of other software that you can use:

Advise a newbie on applications that can be used to prepare models

It’s a fair question The answer is… a LOT of different applications. Three.js supports loading of many different formats - see the loader examples for a complete list. So technically, any application that exports in any of those formats can be used, which is pretty much any 3D application. In practice though, things get much more complicated. A lot of the loaders are old and out of date, or have only partial support for the formats. Formats The loaders and file format I’ve used that w…