Adaptations
Isengard and Orthanc appear in film adaptations of The Lord of the Rings. For The Lord of the Rings film trilogy, these were based on the designs of illustrator Alan Lee, who worked as a conceptual artist. According to Richard Taylor in the behind the scenes documentaries from the Extended edition of The Fellowship of The Ring the original model for Orthanc was carved from micro-crystalline wax, intended to look as if it were carved out of obsidian.
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