In the world of hobby-level CNC cost and simplicity are usually the name of the game. Using inexpensive and easily found materials makes a big difference in the feasibility of a project.
Foam is all kinds of useful, but trying to cut it with scissors or a serrated plastic knife is usually an exercise in futility. What you really need is a hot wire for nice clean cuts. [Elite Worm ...
Exploring the Kisköre region of River Tiszna, Hungary, on a boat charter with three children on a 13.5m Estivale Octo motor ...
Arduino is a popular open-source development board used by engineers, hobbyists, and makers to develop electronic projects and prototypes easily.