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 ...

Material：Bearing Steel Package Include: MGN9H 100-1000mm Linear Rail Guide *1PCS and 1PCS BLOCK Sliding table: Use this highly durable, low-friction linear guide rail to enjoy smooth sliding ...