How can I create this effect in my material?

[Brener42]

Hey folks, the effect I see in the video from the link below is what I’m trying to recreate in Unreal Engine. It’s a cube with smoother edges and a sort of black fade. How can I achieve this effect?

Stage Glitter Room VJ | Animation Background | Video Only (1080 HD)

I have this mask:

[ClockworkOcean]

I made a cube in Blender

Made a basic material

Made this blueprint with the cube in

and…

Not quite there, but on the right track…

[Brener42]

Amazing TIP bro, helped me a lot! Thank You.