The best part about 3D printing is that you can print so many functional objects that you can use all around your house. Whether it's measuring cups for your kitchen or a vase for your living room, ...
Print them at 50% scale for a far cuter (and much less useful) result. [Jacob Stanton]’s design for 3D-printable, stacking and locking boxes is a great example of design for manufacturability (DFM).