Block Editor Prototype

Hello.

I am looking for a tool/asset with which I can prototype level designs very easily. I am currently using ProBuilder and am very happy with it. However, I am now looking for something that is even faster and easier for some situations. I was thinking of an editor/asset that works similar to Minecraft. You simply paint blocks with different colors. Do you know such a thing? Is there such a thing?

If not I'm just keep using ProBuilder.

Thanks in advance,

 

Well, I doubt you can find anything faster than just spit cubes on the grid.
But if you want to diverse a bit take a look at Octave: https://assetstore.unity.com/packages/tools/level-design/octave3d-level-design-45021
It does the same you can just feed with any prefab you like and then paint on grid with some rules.