Backstage

Day: cornine

Cornus devil latex

by on Feb.22, 2010, during Special Effects

Today I'll show how to achieve simplicity with a small pair of devil horns in the pre-vulcanized liquid latex.
Necessary:

  • Clay modeling (I use the Pongo, cheaper and readily available)
  • Gypsum powder (if we do not want a particularly precise and richly detailed plaster and it is also by those who sell items for construction will be fine)
  • Vaseline (available from hardware)
  • Pre-vulcanized liquid latex (in this case I chose cheap material available in a shop of fine arts)
  • A container that can accommodate our model the size of just over (achievable in Caroncini or simply by cutting a plastic bottle)

Once identified by eye the size of our model (a horn in this case) we start the modeling phase with Pongo, placed on a flat base isolated from the work table with a sheet of paper, trying to give a rounded shape and concave at the base.

Model horn in clayObtained the desired shape, and added some detail to increase the realism (For example, vertical stripes on the bone or the horn in a simple orange peel on the skin) you must place the model in a suitable container (which may be a small cardboard box made to measure or, as in my case, the bottom of a plastic bottle), up at least a few centimeters more than the model, and distribute on the surface in a delicate (preferably with a brush) the vaseline will work to release.

After that you can make the plaster and fill the container that, until it completely covers our model (that, course will remain open at the base (face which touches the bottom of the box or bottle) and not be undercut, permetterene for rapid and effective removal.

Model in clay and plaster mold

Once you have the mold (the negative) will be sufficient:

  • apply a thin layer of vaseline
  • stratification 3/4 levels of pre-vulcanized liquid latex, buffered with talcum powder from time to time, when dry

to create many replicas of our model.

Model horn in liquid latex

To get a good result the Board to pay small amounts at a time of latex into the mold, mold to be rotated so that the liquid latex adheres well to the boundary. To speed up the drying time may exercise useful to have a hair dryer, to be used at low speeds and at a distance of at least 10/15 inches from the mold.

The outer rim is the most delicate part of the work: more will be thin more 'invisible’ will be the application of the prosthesis. To achieve this it is usually sufficient to reduce a layer of latex outer part, remaining inner layers with subsequent.

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