Mecabricks, existing physical parts, and occasional customization to those existing parts

Cool thank you everyone Btw anyone know what app Lego Youtubers use to make their customs?

It depends on the youtuber. Which are you thinking of?

Ashnflash

Ashnflash do IT digitaly in painting app, He Is drawing IT. He Is artist too

Yeah, he probably uses photoshop.

Oh ok.

What app does mini superheroes today official use for custom

I use Mecabricks and I am suggesting you.

Go with Mecabricks. I go there to make a Green Lantern Lloyd Montgomery Garmadon.