Building a 3D Printer: Linear Rods - Dr. D-Flo
2020-7-19 · Overview. The alternative to using rails for linear motion is linear rods. Linear rod comes in a variety of different lengths and diameters, but typically rod with a diameter of 8mm is used in 3D printer builds. Commonly made from steel and chrome plated for enhanced hardness, linear rod is less expensive to manufacture.
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