Some of the very largest – and coolest – CNC machines use supported linear rail for their movement axes. For any home tinkerer trying to reproduce these supported rails, the problem of cost comes up ...

EDM (Electrical Discharge Machining) is one of those specialised manufacturing processes that are traditionally expensive and therefore somewhat underrepresented in the DIY and hacker scenes. It’s ...

Adding linear rails to a length of aluminium extrusion is a common way to make a fairly rigid guiding structure, and I have been doing just that in the workshop. But things were not working quite ...

A CNC can be a very smart addition to a hobby shop, but only if you buy the right class of machine for the work you actually do ...