Ceramic Slump Hump Molds

Successful cardboard slump molds could be remade in foam core.

Ceramic slump hump molds.

With these mayco molds you get two molds for the price of one because when each two part plaster mold is separated a slump and hump version of that shape is revealed. This is opposite to that of hump molds in which the mold is in contact with the interior side of the pot. The difference between a hump mold and a drape mold is the degree of slope of the shape. Hump molds are convex forms over which a slab of clay can be draped.

A convex form over which clay slabs are draped until stiff enough to hold the. These plaster molds for clay are collectively called slump hump or drape molds depending upon the design and purpose of the mold. With slump molds the inside surface of a pot is exposed while the outer face is in contact with the mold. 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.

These can be frames with no bottom as in today s video clip. Creative paradise slump and hump molds for clay. Mayco sprig hump press molds. Ceramic slump molds vs.

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. That means if you like to make forms such as platters with a decorated surface this may be the mold type for you. If they didn t like a form all they had to do was throw the mold in the recycling pile. Hump molds are very easy to work with and provide great results just press a slab of wet clay over the mold.

Convex plaster forms are known as hump molds or drape molds while concave plaster forms are known as slump molds. With a slump mold the clay slumps or sags down into the mold creating a concave shape. 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. A typically shallow frame or mold into which a slab of clay is allowed to fall or settle in order to form a vessel.

Using cardboard to make slump molds for pottery enabled brenda and her students to quickly test new forms and experiment more. Slump molds are concave forms that work just like other molds in that clay is draped over the surface of the mold.