This is a case for the Apple pencil acessories. Case is for Lightning adapter, Apple pencil cap and up to four tips.. The two parts hold together with four 5 x 5 mm cylindrical magnets.
The Apple Pencil Accessory Case created by Thingiverse user alex9779 - https://www.thingiverse.com/alex9779/designs
The user re-uploaded this model. The user is not the original author of the model.