Workshop

The latest DIY ideas, techniques and tools for the industrial arts from metal and woodworking to CNC machining and 3D printing.

Foam Carving Robot

Foam Carving Robot

We have covered at least one DIY CNC hot wire cutter before, and commercial versions are manufactured by several companies including Hotwire Direct, Streamline Automation, and FoamLinx. This machine, built in 2006 by students under Dr. René Straßnick at the Technical University of Berlin, has two translational axes and a third, rotational axis consisting of a turntable to which the foam substrate is attached. Parts from an old dot-matrix printer were used to make the Cartesian robot.

How-To: Keyboard Breakout Board

How-To: Keyboard Breakout Board

If you’re building a standalone project with an embedded PC (say, a CNC rig or a MAME cabinet) one of the easiest ways to get instructions to the software is using the PC’s baked-in keyboard interface. But if you don’t want to actually use a keyboard to control the thing, you need some way to convert button presses and/or joystick movements from your custom control panel into signals that look like keyboard input.