VIVO Electric Dual Motor Stand Up Desk Frame for 40 to 85 inch Table Tops, Frame Only, 3 Stage Height Adjustable DIY Workstation with Memory Controller, Black, DESK-V103E

https://a.co/d/0hVO3Diw the table top is the ikea Ekbacken

For a frame only starting point, I would look at the VIVO desk frame. It supports tops from 40 to 85 inches, so 6 ft is fine, but plan cable tray and PC mounts as separate pieces.