RecycleBot Chain Guard

This is a simple chain guard to keep you from losing a finger in the RecycleBot V2.2+ waste plastic extruder. Now that the RecycleBot is a little more safe - you will be interested to know that it is also much more environmentally friendly to print with recycled plastic at home than to buy commercial filament. See: Distributed Recycling
For more on the RecycleBot

Newer better designs are here: Aubrey L. Woern, et al RepRapable Recyclebot: Open Source 3-D Printable Extruder for Converting Plastic to 3-D Printing Filament. HardwareX 4C (2018) e00026 doi: https://doi.org/10.1016/j.ohx.2018.e00026 open access