A wax extruder for 3d printing
Interface a microcontroller with computer
Design circuit board that creates an output, and input
Design circuit board using ATTiny44 and program it
Create a mold for casting multiple objects.
Design circuit board using ATTiny44
A big table CNCd out of birch plywood
Scanning 3d objects and printing.
A FabISP in-circuit programmer based on Valentin's design.
A laser-cut briefcase.
An adobe (or cow dung) 3d printer.