JSAUX has a transparent backplate for the Steam Deck, which also comes with taller back buttons and a slightly extended heatsink.
JSAUX Transparent Back Plate Compatible for Steam Deck, DIY Clear Edition Replacement Shell Case Compatible with Steam Deck, Buttons with Three Different Heights and Feel - PC0106 [Blue] : Video Games
The Transparent Steam Deck Mod
JSAUX Transparent Back Plate Compatible for Steam Deck, DIY Clear Edition Replacement Shell Case Compatible with Steam Deck, Buttons with Three Different Heights and Feel - PC0106 [Green] : Video Games
My favorite new Steam Deck mod is JSAUX's $30 see-through heatsink backplate - The Verge
See inside your Steam Deck with JSAUX's $30 transparent backplate - The Verge
See Your Inner Steam Deck: This transparent back cover will let you see all the hardware of your Deck. Thanks to the transparent plate you’ll be able
Transparent Back Plate for Steam Deck
See Your Inner Steam Deck: This transparent back cover will let you see all the hardware of your Deck. Thanks to the transparent plate you’ll be able
Transparent Back Plate for Steam Deck
See Your Inner Steam Deck: This transparent back cover will let you see all the hardware of your Deck. Thanks to the transparent plate you’ll be able
Transparent Back Plate for Steam Deck
JSAUX Transparent Back Plate Compatible for Steam Deck, DIY Clear Edition Replacement Shell Case Compatible with Steam Deck, Buttons with Three Different Heights and Feel - PC0106 [Purple] : Video Games
JSAUX Transparent Back Plate Vents Version Compatible for Steam Deck, DIY Clear Edition Replacement Shell Case Compatible with Steam Deck - PC0106 Vents Version (aka PC0106B) [Crystal] : Video Games