TY JOUR TI All-Russian Student Competition "Innovative Developments" KW competition KW project KW innovative developments KW geometry KW fractal KW spatial fractals KW CAD KW 3D model KW engines KW fireball KW geometric places JO Geometry & Graphics AU Vyshnyepolskiy, V.I. AU Efremov, A.V. AU Kadykova, N.S. PY 2023 IS 11 PB INFRA-M Academic Publishing LLC.