наклонный разрез 🎓²

http://descriptive_geometry_es.esacademic.com/343/%D0%BD%D0%B0%D0%BA%D0%BB%D0%BE%D0%BD%D0%BD%D1%8B%D0%B9_%D1%80%D0%B0%D0%B7%D1%80%D0%B5%D0%B7

descriptive_geometry_es.esacademic.com/343/наклонный_разрез





via Academic summary https://ift.tt/2U7Xzxr