How to use transmission in Blender 2.8?

So I want to have a bunch of trees in my scene and really liked this one:

( download the 3D model so you see what I mean below )
The problem is I don’t know how to make the transmission to work. Every time the planes stay rectangular in the render instead of being actual leafs.
Thank you to everyone who helps!

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I assume you’re wondering how it works in eevee…

I’m using cycles. Although… I could try eevee for the sake of speed. But for now cycles I need.

Currently I have this and it isn’t working properly. I just want to know how to make it work.

The transmission value is not transparency, it’s glass. You need to use a transparent shader.

Or change from transmission to alpha?

You have it hooked up wrong. As was stated before, transmission is for glass. I downloaded the model in order to take a look at whats in the textures. Just plug the color output of plane_trans.png into the alpha input of the principled shader. The black areas of the image will be fully transparent (0 alpha).

Yes, I was planning to do that. Welp. You know… I’m new ok? :sweat_smile: