There are two methods one with scenes included which is the following: SKIRT COLLIDER https://www.perryleijten.com/en/works/skirtColliderRDThis one has sample scenes
https://www.videohelp.com/software/MKVToolNix This tool will split, generate chapters, remove audio tracks, srt, etc... from your mkv file without rendering again. Pretty fast and useful.
Just paste your google drive link on this website: https://yuudrive.me/tools/bypass-gdrive
https://www.myminifactory.com/scantheworld/ Download free to use 3d scans from some of the world's most beautiful sculptures.