Houdini Greeble demo (HIP file included)

Working on a procedural Greeble system.

HIP file here: https://drive.google.com/file/d/1RFy982ykMCDTwCdcJ81sy2eOhH7YKSQN/view?usp=sharing
谷歌翻译：
工作一个程序Greeble系统。