Couldn’t resist mentioning one more thing about 3D printing. My little printer has a malady that afflicts even some quite expensive printers – z-wobble. The z-axis of a 3D printer is the vertical axis ...

Check out this 3D printer (translated) which [Arkadiusz Śpiewak] has been working on. When sending in the tip about his project he made the important distinction that it isn’t finished, but he has ...