videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including BotMill Glider 3D Printer with Trimensional 3D Scanner iPhone App Printing A Fist (Hand), 3D Printer printing out Sample Pieces (full build video), 3D Printer Making BotMill "B" Sample Pieces - 3D Printing in Red PLA Plastic Filament