These are the 3D printed parts of a simple wheeled robot. It has been used in an introductory course on robotics. It was a hands on course. Students learn the concepts of variables and functions while writing very basic programs to control robots. It was organized in a series of challenges.
The website https://lasagnabot.github.io provides more information including:
It turns out the base plate need to be improved. Because the wheels are so cheap, some are slightly larger or smaller than others. A student came up with a low tech, though effective solution: adding studs using duct tape 😅
The author marked this model as their own original creation.