How to make an Advertisement room! (Easy)

I did a video on how to do simple shadows (if you'd like to know how to make those the link to that video is below) and I got a few comments asking how I made the backing, so that's what this video is covering.
Shadow tutorial: • Basic Realistic Shadow...
If you have any questions, be sure to comment them and I'll be sure to get to them ASAP. My Twitter is also a good place to reach out for any help or even enquires on working together.
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Download link to the PSD in the video: www.mediafire.c...
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My Twitter: / jaygdesign
My Discord Server: / discord