If you have a 3D printer, there are a ton of simple yet nice gifts you can 3D print -- some of which are quite functional too ...

Pi Box is portable with Raspberry Pi 4 and display powered by a battery pack circuit. Features a 3D-printed shell with compartments for the battery, Pi 4, and screen. Instructions for building ...

[Turbo_SunShine] says to just print your own, and experiment away! Now, if you’re thinking that 3D printing some filament sounds inefficient at best (and a gimmick at worst) you’re not alone.