3D modeling using blocks (minecraft style) snap is important which softare?

Hi, it's a complicated question to do, but it's really easy in substance.

I want to 3D model objects using 3d blocks
well exactly I want to make an assets of 3D objects to use like a cube module, so maybe a sphere but always inside a 3d cube

Well, not easy to explain, let's take a cube o 1m / 1m
and a sphere of 1m /1m
and a cone 1m / 1m
and a piramid 1m / 1m
(oky maybe now is better)

And I want to use them all to build a 3d model
adding piece by piece to (a sort of minecraft / lego way)

But which software can I use?
I tryied blender but is not so user friendly and the snap tool is muddled
I'll try sketchup too, but sketchap is way too simple, and I cannot ad detail later

any advice?

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