This blog is a lab notebook for my work with the Reprap open source 3D printing undertaking.
Very pretty, but what causes the extruded plastic to spiral like that? Especially since we can see it going straight further down.
It extrudes more or less straight until the bottom of the filament hits something like the acrylic print table about four inches below. At that point it can spiral like it did in this instance or bake a series of big bends. It depends whether the filament end hangs on the acrylic or slides or alternately hangs for a moment and then slides just a little bit.
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