fake Swarovski again.) The strongest effect of the rainbow background is in the background light, but in the interior it is very difficult to make such lighting so that it does not interfere with the overall picture. You have to do only the back position and brightly highlight the rainbow background pattern.
If you shift the drawing a little, rotate, shift, then the reflections of the highlights change very much, each time everything is different. The process is unpredictable, and a lot of trial renderings are needed.
what is not included in the frame is the background behind the viewer's back, with illuminated panels.
