One gang designer style in wall plaster mounting platform designed for seamless integration between the drywall and Lutron light switches. Here is some text from the website:
The smooth curves of the Designer Style platform add a contemporary design to your home. This mount with 1/16” reveal measured around Lutron devices seamlessly embeds any electrical wiring devices into the wall, including light switches and outlets. This helps create elegant lines and smooth transitions.
Here is the link to the website: https://seeless.com/products/sld-1g-62-one-gang-designer-style-mount?srsltid=AfmBOorgPONsdsieepovJlh4lzwHl3JNGAyEyelXVSfNLVsRDHDK6GfD