In relation with this post about PLA.
I STRONGLY RECOMMAND TO STOP 3D-PRINTING OTHER MATERIALS THAN PLA.
Ok to summerize : PLA has to be recycled with other plastics because, for the moment, it's not easy or *is* expensive to separate from current other plastics like ABS and PETG.
But it's not made from fossil petrol. And this is a good start.
Think about ecology and "what if" everybody starts 3D-printing toys and useless things without care ! That would be a nightmare on the long term.
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