UPDATE: The FR4 Machine Shield is now on Kickstarter ... with the (currently Arduino based) controller board. In addition to the milling head, which features a brushless DC motor and a tool ...

Using this example, he proceeds to design, simulate, build and demonstrate a working circuit board. We like his ... should adapt well to other milling machines and engravers.

Meanwhile, by the end of May, Greif will permanently close its containerboard and URB mill in Fitchburg, Massachusetts. The ...