Photoshop realistic shadow service can be easily created by using Photoshop filters. But it is not possible to create a 3D shape of the product by applying it. By using drop shadow, a fake shadow can be created on the rear side of the product, which can be set at various angles such as left, right, top, bottom, and shadow opacity, and the glow can be created. But it is cheaper than natural or product shadow.
Why do you realistic shadow service?
Generally, it is applied to some specific products, such as clothing items (shirts, T-shirt pants, panties, underwear, etc.), and product items (books, table clothes, pens, mobile, wallets, flat, simple rings, flat chains, earrings, etc.)