The Ulfberht+The Ulfberht+ is a cyberdeck by Tinfoil_Haberdashery, featuring his laser-etched custom keycaps.
Well, a vanilla ErgoDox wouldn't make it to the KBD, but this cyberdeck takes it a step further.
The author has a detailed write-up about the project at: https://hackaday.io/project/180424-the-ulfberht-cyberdeck/details.
Published on Fri 18th Jun 2021. Featured in KBD #31 (source).