Philips Hue Multi-location Smart with LED Touch Light Dimmer with Wall Plate, White in the Light Dimmers department at Lowes.com
My wife wanted physical switches to remain where they were and work as expected. I used Decora blank plates and magnets to mount Hue Dimmers in a natural-looking way. : r/Hue
Switch cover for Hue dimmer? - Ideas and Suggestions - SmartThings Community
for Philips Hue - Dimmer Switch Multiple GANG Cover Wall Plate | eBay
Philips Hue Dimmer switch-holder plate cover US version by JellyTitan | Download free STL model | Printables.com