When I saw this "box" image on Pixabay, I simply had to use it to distort another image over it.
I used this photo from Pixabay, a source of copyright-free images. I thought it would be an excellent image for using to distort over.
I used this photo from Pixabay, to distort over the box.
In iColorama, I used Style/Coherence and Form/Warp to smooth and warp the woman.
In Effect/Distort, I distorted the woman over the box. Then I smoothed the resulting image using Style/Coherence and Style/Flow, and I added a bit of contrast using Adjust/Levels.