There's the grip which made by 3D print
Channel: GPD Game Console
Date: 2023-04-23

3D file: https://drive.google.com/file/d/1YZvKTwVAjmwa7c4JM85QzSZ1zWyqgssD/view?usp=share_link

GPDWIN4 Indemand:
https://igg.me/at/gpdwin4
the smallest 6800U handheld console