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This is for use in a hand extruder. The precision of the print produces a high quality extrusion. The posts produced are thin and light and strong enough to hold plenty of weight (if the body is refractory). This drawing includes a length guage (which you configure to the desired value), this enables cutting the posts to square and perpendicular ends.
Available as a Product on the Downloads page
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Shown is a tube hand extruder die (with a floating core). It was 3D printed using ordinary PLA. These posts weigh 23g/in (vs 81g/in for the commercial one shown). The posts were cut square-ended using the length patterns shown. Commercial regular posts will support the weight of a city bus but we are supporting pottery - so a thinner more energy-efficient version seems appropriate. This drawing is more parametric than version 1, it enables setting the post width, wall thickness, draft of the float and position and angle of the float supports. This clay is normal pottery stiffness and contains ~20% grog and sand. We are experimenting with various refractory mixes (e.g. L4543).
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