Transparent Ground outside floor plan

[Mark3909]

I'm trying to render a floor plan, but have the ground/space outside my floor plan render as transparent. Is it possible to do this natively from SH3D?

Here's a sample image online of what I'd like to mimic (the outside shadows around image are nice but not in scope of this inquiry):

[MarioSambol]

Try in the 3D view menu under modify 3D view to put a *.png transparent texture. In that case the ground is completely black in the sunflow render engine. The background remains easy to remove.

[Mark3909]

Awww, thank you for the solution. I would have never known this! I'll have to import it into Affinity Photo to remove the black, but it gets the job done.

[Keet]

You can also simply set the background color of the 3D view to a different color. All a photo editor needs is a single color to set as transparent. The transparent texture png does that but a simple color should do the same. The advantage of using a 3D view background color is that you can choose a color that is nowhere used in your project. This avoids that parts in your project also become transparent when you set that color to transparent in the photo editor.

[Mark3909]

@Keet, are there some additional settings needed if you wanted to use a simple solid color as you suggested? When I do that instead of the transparent texture approach the rendering engine will cast shadows and thus make the color delete afterwards a pain.

[Keet]

I didn't think of the shadows. Using black (#000000) should avoid that.
And you still have the option of using the transparent png if that still doesn't work. Rendering is maybe a lot faster with a black color instead of a transparent png but you can try both options.