steel spring wire in several gauges, ball bearings, etc.
Some interesting machining there but the video description is somewhat misleading.
(, Mon 15 Jul 2019, 19:58, Reply)
www.thingiverse.com/thing:10423
fucking hell there's a video too: www.youtube.com/watch?v=yNkKHRwk3MA
(, Tue 16 Jul 2019, 19:32, Reply)