The BIM Lightweight Engine (BIMI) can perform lightweight processing on rvt and ifc files, and it implements rendering and interaction of 3D models based on Threejs. github page：https://xujunpro2.github.io/bimisite/
BIM轻量化引擎(BIMI)可以对rvt、ifc文件进行轻量化处理，它基于threejs实现三维模型的渲染和交互。 github page：https://xujunpro2.github.io/bimisite/