Arcanoid Blueprint generator of cubes

[kwarkeyes2]

Hello everyone!
Please, can someone explain to me how can i create such drawings for my arcanoid in Blueprints using the generator.
For example - Arkanoid – A Unreal Engine 5 Retro Remake

I understand how to create a square or romb (with the help))

or

but how can i create more complex figures?