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I saw a 3d printer using plastic pellets instead of filament.
Is this a good idea? Because I never saw anyone doing this.
Seller says "in this way it won't run out of filament" but I have the impression of imprecise extrusions (machine was fitted with a big 0.8mm nozzle)
Chocolate sticks can be printed easily, though.
12-25mm diameter filament.
Use an all metal hot end (stainless steel, preferably,). And slow its feed rate down with a gear reduction.
You wouldn’t even need them to be round if you milled out your own heat block. Just of a consistent cross section.