Germany being mad for the PC like it is, there are a ton of PC accessories, peripherals and other pieces of kit available at Gamescom. Easiest on the eye are these, the PC cases.
https://kotaku.com/germany-loves-pc-gaming-5832820/
These are some of the nicer ones we saw during the show. Note that these aren’t custom or handmade ones; they’re all commercial units that were for sale. Oh, except the bike.