Ceramic Slump Hump Molds

Ceramic slump molds vs.

Ceramic slump hump molds.

Convex plaster forms are known as hump molds or drape molds while concave plaster forms are known as slump molds. Slump molds are concave forms that work just like other molds in that clay is draped over the surface of the mold. Successful cardboard slump molds could be remade in foam core. Mayco sprig hump press molds.

The difference between a hump mold and a drape mold is the degree of slope of the shape. With a slump mold the clay slumps or sags down into the mold creating a concave shape. These plaster molds for clay are collectively called slump hump or drape molds depending upon the design and purpose of the mold. Using cardboard to make slump molds for pottery enabled brenda and her students to quickly test new forms and experiment more.

Slump molds the clay slumps or sags down creating a concave shape and are used when you want to add embellishments to the inside of the shape or around the lip. Hump molds are convex forms over which a slab of clay can be draped. A typically shallow frame or mold into which a slab of clay is allowed to fall or settle in order to form a vessel. Plaster molds are often used in forming clay shapes that are consistent in size and shape to make complex designs that could not be easily accomplished on the pottery wheel or to firmly hold leather hard clay while adding decorative embellishments.

These can be frames with no bottom as in today s video clip. With slump molds the inside surface of a pot is exposed while the outer face is in contact with the mold. The hump molds carried here at the ceramic shop are convex plaster forms intended for this purpose providing a template for slab work. This is opposite to that of hump molds in which the mold is in contact with the interior side of the pot.

A convex form over which clay slabs are draped until stiff enough to hold the. Hump molds are very easy to work with and provide great results just press a slab of wet clay over the mold. When you work with slump molds the interior of your form is exposed while the outer face is in contact with the mold. Creative paradise slump and hump molds for clay.

If they didn t like a form all they had to do was throw the mold in the recycling pile. Hump molds the clay is draped over the mold creating a convex shape and used when you want to add feet handles or other embellishments to the outside of the shape.