How to "model" with blocks?

How to "model" with blocks? - Men Sitting on the Stacks of Blocks while Projecting on the Camera

So I watched this video

and you see the mech is modeled out of iron blocks and clay. and my question is how does the command block do it? I it armor stands? If so how do do it quickly?

Please answer. Thank you.






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How to "model" with blocks? - Woman in Gray Crew Neck Shirt Lying on Bed
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How to "model" with blocks? - Woman in Black Tank Top Lying on Bed





Architecture Model Making tutorial || simple block model || tutorial




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