We feature a lot of clocks on Hackaday, but few can compare to the mechanical engineering elegance of the band-saw-blade ... that 3D printers are the primordial ooze for both pumping water and ...

Wind energy isn ... provided you have a 3D printer. [Jan] created this turbine with the help of QBlade, a piece of software that helps design turbine blades. It doesn’t have any support ...