I'm using Gemini (via Nanao Banana) to place my silver necklaces into lifestyle backgrounds. The issue is that the AI ignores real-world scale.
It generates my 3cm pendants as if they are giant objects, often matching the size of books in the scene. When I ask it to "make the necklace smaller," it destroys the image quality and warps the shape of the jewelry.
I need the necklace to look exactly like the reference photo I uploaded, just smaller in the scene. Does anyone have a workaround for accurate object scaling in Gemini?