The beautiful case is printed in a woodfilled PLA — consisting of 70% plastic and 30% sawdust. This allows it to be sanded and stained for an attractive final product.

The centerpiece of the case is an Arduino Uno board, programmed with various code snippets. This board controls a 4988 stepping motor and a Nema 17 motor, responsible for the kinetic movements.

That’s what’s so great about 3D printing: the next day I can have a prototype to show [Gilligan].” “You can go from an idea to holding it in your hands, and to be able to fabricate that ...