It seems that there is no end to ingenious woodworking tools, such as this 3-D Router Pantograph from [Woodgears.ca]. The pantograph, a design using linkages to trace and scale drawings, may have been ...

Move too slowly with your plasma cutter, and you'll wind up frustrated, like Matthias Wandel. The molten metal blobs up, and clots as it cools. What you need for more intricate cuts, unless you're ...