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I just downloaded a 3d plant asset in FBX format from Megascans and this is the way my model appears.

enter image description here

The wheat seems to not be flat, and non-transparent. How do I make it transparent around the grains, and not as rectangular?

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  • $\begingroup$ I'm really sorry I thought the picture was added. I'm new to this so it was a bit confusing at first but thanks for pointing it out. $\endgroup$ – lapinff Feb 24 at 15:46
  • $\begingroup$ @susu I have edited the question to make it more clear, please review the question again. $\endgroup$ – HighElfWisard Feb 24 at 16:04
  • $\begingroup$ Many thanks for reviewing my question. It's really appreciated. $\endgroup$ – lapinff Feb 24 at 16:09
  • $\begingroup$ Set the material's Blend Mode to Alpha Clip or Alpha Hashed. Also make sure the alpha socket is connected. $\endgroup$ – scurest Feb 24 at 16:09
  • $\begingroup$ I did try this and connecting the alpha socket to albido.jpg, opacity.jpg and translucency.jpg 1 by 1 but still showing the rectangular shape. $\endgroup$ – lapinff Feb 24 at 16:17
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Looking at the material, nothing is connected to the alpha input of the shader. Connect this, and then make sure in the material settings that alpha mode is set to “hashed” and not “opaque”.

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To have "transparency" you need some form of mask or map for it.

Let's say you have two images:

1- The color information

2 - A "Transparency" or "Opaque" map, which would be a black and white image that determines what is "see through" (black) and what is opaque (white).

Usually this information is embedded in an "Alpha" channel, but since you are dealing with the worst possible format (jpeg) there is no alpha channel.

enter image description here

To use the transparency, use an image texture node and plug it to the alpha socket of the Principled BSDF.

enter image description here

Read also:

Add a transparent image on top of a material

Transparent image like a decal on mesh with principled BSDF shader

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