Homemade Extruder

Written by larryp
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Extruders are tools that are used to shape strands of malleable substances, typically clay. You can create an extruder at home with basic materials available at hardware stores.

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The body would be constructed of a PVC elbow. The smooth surface of the PVC keeps the substance being extruded from sticking. A lever is attached by a hinge at the top of the elbow. This acts as the actuator for the plunger.


The plunger is made out of a piece of plastic bent at exactly the same angle as the PVC elbow. This allows it to go through the elbow without a hitch. One end of the plunger attaches to the hinged lever and the other is constructed of a hard plastic disk that is just barely small enough to fit through the elbow.

End Cap

A threaded end cap is placed over the exit hole of the extruder. Crafters can cut different designs out of each end cap interchange them by screwing them on.

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