Thomas Jastram:
Sculpture "Kairos" (2017), Bronze


Thomas Jastram:
Sculpture "Kairos" (2017), Bronze

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Limited, 10 copies | Numbered | Signed | Bronze | Height 42 cm

Thomas Jastram: Sculpture "Kairos" (2017), Bronze

With his winged sculpture of Kairos Jastram captures a topic of Greek mythology.

In opposition to Chronos, Kairos represents the short but solid moment of decision making. The saying "to capture the possibility" is represented here in an antique way, as a youth with the curly hair and clear forehead.

Sculpture from bronze, 2017. Edition: 10 copies, in casting numbered and signed. Height: 42 cm.

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Whether portraits, nudes or horses - the German sculptor Thomas Jastram knows how to represent the characteristic features of his objects in stone, plaster and bronze sculptures. "He is always aware of the similarity and the subtle charisma of expressing the mentality of the model." says his former professor, Helmut Heinze.

Jastram, born 1959 in Rostock, graduated in 1985 from the university for Fine Arts in Dresden, since then he works as a freelance artist. He also took several teaching assignments, among others at the Hamburg Technical Art School.

In addition to various exhibitions, he created numerous works for the public space, for example, a fountain in Ribnitz-Damgarten or the memorial for the Victim of Nazi justice in Torgau, Saxony.

An alloy of copper with other metals (especially with tin) used since ancient times.

Bronze casting:

When casting bronze, artist usually applies the lost-wax technique which is dating back more than 5000 years. It's the best, but also the most complex method of producing sculptures.

Sculpture "The Book Reader" by Ernst Barlachs is shown here as an example:

Ernst Barlach: Sculpture 'The book reader'

Ernst Barlach 'The Book Reader' - Lost Wax Casting Technique Part 1

First, the artist forms a model of his sculpture. It is embedded in a liquid silicone rubber composition. Once the material has solidified, the model is cut out. The liquid wax is poured in the negative mould. After cooling down, the wax casting is removed from the mould, provided with sprues and dipped into ceramic mass. The ceramic mass is hardened in a kiln, and the wax flows out (lost mould).

Ernst Barlach 'The Book Reader' - Lost Wax Casting Technique Part 2Now we finally have the negative form, into which the 1400 ° C hot molten bronze is poured. After the bronze had cooled down, the ceramic shell is broken off and the sculpture comes to light.

Ernst Barlach 'The Book Reader' - Lost Wax Casting Technique Part 3Now the sprues are removed, the surfaces are polished, patinated and numbered by the artist himself or, to his specifications, by a specialist. Thus, each casting becomes an original work

For lower-grade bronze castings, the sand casting method is often used which, however, does not achieve the results of more complex lost wax technique in terms of surface characteristics and quality.

Related links:
Sand casting

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