I am curious any dedicated tools that is more convenient for drawing that?
Now you said "more convenient", so here is an (untested!) idea:
You could try to use Assetforge, which is a kitbashing tool for prototype game development. It comes with a few building blocks, depending on the type of scene you need, there may not be the right things inside.
You can create own assets (this is outside of the "convenient"-constraint though, I guess) - or use some compatible assets packs from Kenney (see links below). When you export, you can set camera style and give it the proper isometric rotation (see video with timestamp for export options, the whole vid gives good overview for the software).
But before you spend (a bit of) money; I don't own the tool, haven't done it that way myself, not sure if it works for what you wanna do.
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Assetforge on itch.io: https://kenney.itch.io/assetforge
Assetforge Homepage: https://assetforge.io
Docs on compatible Asset Packs: https://kenney.nl/documentation/asset-forge/kenney-assets