Modular fastening system and tool–holder working unit for incremental forming Melania Tera, Claudia–Emilia Gîrjob, Cristina–Maria Biriș and Mihai Crenganiș MATEC Web Conf., 299 (2019) 05005 Published online: 02 December 2019 DOI: 10.1051/matecconf/201929905005