Recycling Code System

These OpenSCAD designs help you to put detailed recycling information into your 3D designs.

For detailed information see the paper: Emily J. Hunt, Chenlong Zhang, Nick Anzalone, Joshua M. Pearce, [Polymer recycling codes for distributed manufacturing with 3-D printers](https://www.academia.edu/11229348/Polymer_recycling_codes_for_distributed_manufacturing_with_3-D_printers), Resources, Conservation and Recycling, 97, pp. 24-30 (2015).

The current limited resin identification code availabl