i posted some of my renders here, but, they changed to 1:1 ratio, zoomed and downgraded. can someone help? i want to share them on 16:9
You can't. (or rotate 90° if you feel it works for you)
You can add white bars to the top and bottom of your image to make it square, like i did here: https://www.cgtrader.com/gallery/project/zaz-3 That doesn't change the fact that cgtrader's gallery is retarded though.
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