Procedural Colosseum tool

Project info

A procedural Colosseum tool I made for an Unreal cinematic shot.

The tool is made in Houdini. The Colosseum is fully traversable  and is build to scale.
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The tool is driven by 1 value which is the outer diameter. A video of the Colosseum growing:

A video of the unreal cinematic, I did most of the shader work and integration into Unreal: