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These PNG files are the graphic compositions created by our designer. They are provided as a resource for you to make your own rounded corner layouts to use with CSS Sculptor. I understand that if these files contained slices, it would make it easier for you to customize the design for use with Sculptor. However, at this point, we do not have those designs sliced for you to use.
We have documented the process for you to create your own rounded corner designs using these PNG files, and i suggest you refer to that document for guidance, if you intend to continue using CSS Sculptor. sculptor_rounded_corners_ht.pdf. In the past, our customers have found this approach to be ideal for the creation of their own rounded corner designs.
As you can see from the approach taken in those instructions, predefined slices would not work as you would still need to create new slices for the new div that you create. So, providing slices with these designs would not be of much use in this situation.
Your other options would be to customize each image file that is outputted from CSS Sculptor as Jimmy suggested, or you could slice the PNG designs we have provided to suit your needs.