I tried to create the corset (or corsage) of Wonder Woman using film posters, images of collectible figures etc. So textures and normalmaps are made manually. Delete groups are used, a special rigid group is used at the backside. If you enlarge the cup size too much, the corsage will look funny. To get the same metallic effect, connect the color input of the glossy shader to the output of the texture, reduce roughness to 0.1, delete fresnel and use a fixed value of e.g. 0.7 for the diffuse/glossy mix node. The transparent node is not used. You can also duplicate the material and use a more diffuse mix for the lower leather stripes and the underwear part. The demo picture is created this way.
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