Innovative furniture designer maker Jeremy Broun uses a modified 'Useful Tools' hand operated tube bender pushing it to its limits using 38mm annealed aircraft aluminium to achieve a 180 degree bend! https://www.woodomain.com/online-store for a unique range of hardback books, video integrated e-books, some with plans. The tube bender shown here is available from https://useful-tools.co.uk/ https://www.woodomain.com/online-store