Taking a Plaster Mold

As a continuation from my previous blog post “Making an Armature”, this post is going to be about taking a mold of the torso sculpted on that armature. Below (Fig 1) is a picture of the clay body.

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(Fig 1)

The first step in this process was to map out how the sculpture is going to be parted, a sketch can be seen in fig 2.

18618327_10153962743567609_1893934102_o                                                                            (Fig 2)

It was decided that the sculpture would be separated in six parts, eliminating as many undercuts as possible. Each area was separated using small metal pieces, which acted as a support when the plaster was poured, as can be seen in fig 3. Three layers of plaster should be applied to each section, prior to the third layer a wire structure was inserted for durability.

18596667_10153962656652609_1219486510_o

                                                                         (Fig 3)

After all the body was plastered, the demolding process took place two – three hours after. Once this was done, the mold was cleaned with a sponge and water to get rid of any residue, see fig 4 & 5. The mold then needs to be reassembled and the air pockets and seam lines should be smoothed out using clay, see fig 6.

18597019_10153962596567609_882722253_o.jpg

(Fig 4)18641586_10153962596572609_1356020544_o

(Fig 5)

18575867_10153957634092609_1896274777_o

(Fig 6)

The mold was tied together using metal wire. The lower back will be attached at a later stage so as to apply the materials manually. This whole process took around 10 hours in general and another blog will follow showing the final result.

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