Choosing the right rail and carriage needn't be rocket science. Here's the lowdown. Linear rails come in two types, round and square. The criteria for choosing one over the other is no different than ...

Design engineers considering linear guides often struggle with which basic shape to choose: round or square. Square or profile rails once cost significantly more than round because the former need ...

In the early days of 3D printers, most builds used smooth rods and bearings that rode on them. But these days, printers are shipping with either V-slot extrusions with Delrin wheels or linear rails.

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 ...