What is this called?

I am currently working on a game, and I am wondering that this is called and how I be able to make it. I am not sure if this should be in the Scripting or Building section because it is kind of both.

That’s a Beam object. It projects a repeating texture through 3D space from one Attachment object to another using several customizable properties.

You can read up on these here: https://developer.roblox.com/api-reference/class/Beam

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