$50 DIY shredder to Crush recycling from 3D printer parts ABS or PLA

Playlist of videos related to this project

STL files that can be used for 3D printing can be downloaded from here
Bill of materials

18 pcs stainless steel blades cost $50

Other parts are made by myself or Recycling on old machines

Frame uses CNC engraving machine to cut 10MM PVC sheet;
16MM hexagonal steel shaft;
6003 inner six corner bearing;
30:1 worm gearbox;
200W hand drill;
Wooden base;