Slab Casting – A New Way to Combine 3D Printing and Ceramics
Originally published on hackaday.com by Navarre Bartz on 20 December 2023
Slip casting in ceramics traditionally involves messy processes, especially in creating the initial plaster mold. Allie Katz introduces a cleaner alternative using 3D printed slab molds, revolutionizing ceramic production. This innovative technique combines the intricate designs achievable through 3D printing with the malleability of clay, enabling the creation of reproducible clay objects without the hassle of dealing with liquid clay.
The process begins with a brief overview of “Mould Making 101,” guiding the viewer through the essential steps. Katz then demonstrates the creation of slab casting press molds using 3D printing. These molds are designed with attention to eliminating undercuts and allowing air infiltration, compensating for the fact that plastic molds can’t extract water from clay like plaster molds. The inclusion of specially designed cookie clay cutters aids in handling challenging geometric shapes. Once printed, the molds are coated with cornstarch, and clay is pressed into them. After removal, final details, such as handles, can be added before firing the pieces conventionally.
This 3D printing approach to ceramics offers a cleaner and more efficient way to achieve complex designs in the medium, opening up possibilities for artists and enthusiasts alike. The method outlined by Katz allows for greater precision and reproducibility in ceramic production while streamlining the molding process. Make sure to check out our blog after watching the video for more 3D printing projects!
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