Ключевые слова: 3d, 3d rendering, api, application, background, big, black, blackboard, board, chalk, chalkboard, cloud, code, computer, connection, data, database, development, digital, doodle, drawing, drawn, education, grunge, hand, icons, information, internet, learn, learning, network, paint, pink, school, scratch, server, sketch, software, storage, study, system, technology, text, texture, vintage, wall, web, white, word,