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3-D Printing Hits Rock-bottom Prices With Homemade Ceramics Mix

"Normally these supplies cost $30 to $50 a pound. Our materials cost less than a dollar a pound," said Ganter. He said he wants to distribute the free recipes in order to democratize 3-D printing and expand the range of printable objects.
A new, not-so-secret recipe uses artist-grade ceramics powder for 3-D printing. Ceramics objects can now be printed for about three percent the cost of commercial printing mixes.