Light weight. The LWLF2’s rail weighs 2 grams per 100 millimeters of length, and the slide unit weighs 0.21 grams. IKO’s LWL family of miniature linear motion rolling guides is appropriate for ...

But these days, printers are shipping with either V-slot extrusions with Delrin wheels or linear rails. Which is best? Everyone seems to have an opinion, but [Spencer] decided to compare them ...

completely forgoing linear rails in favor of strings. The closest thing to a linear guide found on the Marionette is a pane of glass against which the top surface of the print head slides.