Dividing Wall
A temporary wall made of water-based clay. Used to create a separation between the front and back halves of a mold.

Foam Latex
A special formulation of liquid latex rubber which is whipped with air and then baked into a sponge form. Used throughout the special effects industry for appliance make-up effects, prosthetics, costumes, and animatronic creatures, etc.

F/X
An abbreviation of "Effects". See Special Effects and SPFX.

Highlight
Highlights are painted to simulate where light would fall naturally on the high points of a mask or sculpture. This heightens a relief effect. Highlight paint can be made by lightening the base paint.

Kidney Tool
A flexible rubber palette used to direct the flow of plaster as it sets. If you want to make professional molds, don't be caught without this tool.

Maquette
A small clay model created as a guide for a larger sculpture. A miniature full head armature is often used as a base for a mask maquette.

Mask Latex
A partially vulcanized, liquid latex compound formulated especially for slip casting latex masks and props. Also referred to as slush latex or casting latex.

Mask Paint
A super concentrated, pre-mixed paint medium developed for use on latex masks and props. Flexible and quick-drying, Mask Paint is formulated to adhere to latex rubber. Recommend for use with external mix airbrushes such as the Paasche H. Can also be stippled or brushed on.

Mold
A reverse image negative cavity made from a three dimensional object. An example of this would be a mold made for a latex mask.

Mold Jacket
A rigid outer shell used to hold a flexible mold in place.

Mold-Making
The act or process of making molds. Necessary for reproducing or transferring a three-dimensional pattern into a rigid or soft material.

Negative
The mold surface which contains a reverse three dimensional imprint of the positive sculpture. Molds are classified as negatives.

Oil Based Clay
A re-usable sculpting medium which comes in a variety of colors and consistencies. Oil based clay is often the best choice for mask and special effects sculpture because it doesn't dry out, allowing the sculptor to work the clay for long durations.

glossary page 3