Creating a ceramic human figure for kiln firing is a specialized process that requires careful structural planning. Unlike solid sculptures, ceramic figures must be hollow to ensure they dry evenly and do not shatter during the firing process. This guide outlines the creation of a hollow figure inspired by Leonardo da Vinci’s Lady with an Ermine, breaking the process down into manageable anatomical stages.
Foundation and Torso Construction
Slab construction is generally the most efficient method for building the main body. Begin with a thick slab base to provide weight and stability, which helps prevent the vertical walls from cracking under stress. It is crucial to cut an air hole in the center of the base to prevent pressure buildup.
When building the torso, use slabs approximately 1/2 to 3/4 inch thick. For medium-sized works, clay bodies with a high "grog" content (pre-fired clay granules) are recommended, as they offer superior structural integrity and facilitate easier drying. Ensure all seams are thoroughly scored and slipped. To prevent the heavy head and neck from collapsing into the chest, install a horizontal "truss" or slab bridge across the interior of the shoulders. This internal support distributes the weight across the front and back of the torso.
Integrating the Arms and Animal
Before attaching extensions like arms, always cut openings in the body to allow internal air circulation. The arms should be modeled as hollow sleeves and attached to the body and base using score-and-slip techniques. You can refine the shape of the clay by paddling it with a wooden tool or trimming away excess material.
In this specific design, an ermine is integrated into the figure’s embrace. Construct the animal’s body from a curved slab, ensuring it remains partially open to avoid excessive thickness. Once the animal's body is attached to the woman’s torso, build up the neck using coils and create the head from a small pinch pot. Use wooden tools to define features and a toothed scraper to simulate the texture of fur.
Sculpting Hands and Fabric Details
Hands are among the most delicate parts of any figure and should be sculpted before being attached to the arm. For smaller figures, cut the hand shape from a slab and gently pinch the clay to form fingers. Use a stylus to add knuckles, palm creases, and fingernails. When attaching the hand, ensure the fingers are also scored and slipped onto any surface they touch for maximum stability. To prevent cracking, wrap the hands in plastic so they dry more slowly than the rest of the sculpture.
When adding clothing, avoid simply layering slabs over the body, as this often leads to cracks. Instead, integrate the garment shape into the primary body slabs. Use thin coils to represent fabric folds and drapes, smoothing one edge into the form while leaving the other raised to create the illusion of a hem. You can also press burlap or rope into the damp clay to mimic textile textures.
Head and Facial Features
The neck should be built as a hollow tube with a slight forward lean. Attach a chevron-shaped piece of clay to the top to serve as the chin. Once the chin has firmed to a leather-hard state, build the face upward.
To place features accurately, lightly sketch a "T" on the face. The eyes are positioned along the horizontal axis. Press your thumbs into the clay to create sockets, then insert two matching spheres of clay for the eyeballs. Add thin coils for the eyelids and use a wooden tool to refine the creases. For the nose, cut an inverted "T" into the face and push the clay out from the inside before adding a supporting coil and sculpting the nostrils. Form the mouth by cutting a line and using the flat of a tool to push the lips outward.
Final Assembly and Hair
Once the facial features are set, close the top of the head using rounded slabs. The final slabs should be slightly larger than necessary, then shaped with a paddle to compress the joins and ensure a secure seam.
Hair can be represented through various textures and additions. A hollow tube of clay can be transformed into a braid by carving textures into the surface with a scoring tool. Fine details, such as a forehead circlet or defined eyebrows, can be added with small coils and thin wisps of clay. Finally, use a stylus to indent the pupils of the eyes, giving the figure a focused expression.