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. Which is best? Everyone seems ...

Video Credit: PI (Physik Instrumente) LP XYZ nanopositioning stage – compact 3-axis high-dynamics motion system based on the A-142 air-bearing linear slide. The Z-axis has an integrated counterbalance ...