I made a post about this a while back: Zigbee Button Controller + Dimmer Switch | Project Walt - #177 by potelux
It got shot down pretty swiftly.
EDIT: Essentially the gist this. I think the paddle face CAD file should be either freely available or for sale so that 3rd parties can make metallic finishes for higher-end homes. Many people responded that Inovelli isn’t in that market.