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Hotends The purpose of the hotend of a 3D printer is to melt the plastic that is fed into it, and deposit it in a controlled manner. A hotend consists of a "cold side" which keeps filament as straight and cold as possible until it is fed into the "hot side",...

Nozzles Nozzles are where the rubber meets the road, so to speak. To some extent almost any nozzle *can* print, but better quality nozzles will produce better surface finish, achieve higher flowrates, or last longer before wearing out. External Geometry Or...

A 3D printer needs three axes of motion. Driving all three axes can be done in several different ways. Bedslinger Cartesian The simplest motion system, bedslinging moves the toolhead in X and Z, and the bed in Y. This makes the two fast axes move completely...

Bed tramming is the alignment of the bed plane with the XY gantry to minimize the need for mesh compensation (which is when Z adjusts continuously as X and Y move). This can be done manually as a part of machine setup, or automatically using a bed probe and in...