IZOD Impact Test Machine

This is my Impact Test Machine that I use for my investigations. Big sheets are made from wood, the rod of the hammer is metal, most of the remaining parts are 3D printed in PLA.

Used for example right here: https://www.youtube.com/watch?v=Q_i-57SEGlo

Update 08/24/2020 - Added V1-1 with improved drag dial:
- The drag dial incorporates a well-greased bearing (16004) now for more consistent results

BOM (incomplete):
- 1x 16004 ball bearing
- 2x 608 bearing
- M8 threaded rod
- 16x16mm hollow steel tube
- ...