The concept behind the build is as you’d expect. The duo effectively just 3D printed giant versions of LEGO pieces, with which they then assembled a large Christmas tree.

Armed with the lab’s trusty Ultimaker 3-D printer, our imaginations, and endless source of inspiration that is deep-sea life and science, my lab and I set out to create a deep-sea themed Christmas ...

Not so fast — this 3D-printed ornament has a 3D-printer inside that prints other ornaments. One day it might just be the must-have in functional Christmas decor.