Demo here: http://wallabyway.github.io/snowdontower-rvt-3dtiles-rcs-oss/
See this Stackoverflow for usage details: https://stackoverflow.com/questions/73329077/how-to-get-autodesk-forge-viewer-to-support-rcp-files
Video:
https://github.com/wallabyway/snowdontower-rvt-3dtiles-rcs-oss/assets/440241/79cd5354-61ac-4b1e-8357-616cb5f34047